LogoLogo
SnowflakeDocumentation Home
  • Snowflake SnowConvert Documentation
  • General
    • About
    • Getting Started
      • System Requirements
      • Best practices
      • Download and Access
      • Code Extraction
        • Teradata
        • Oracle
        • SQL Server
        • Redshift
      • Running SnowConvert
        • Supported Languages
          • Teradata
          • Oracle
          • SQL Server
          • Redshift
          • Google BigQuery
          • Azure Synapse
          • Sybase IQ
          • PostgreSQL & Based Languages
          • Spark SQL - Databricks SQL
        • Validation
          • Ambiguous Comments Validation
          • Extraction Validation
          • File Encoding Validation
          • File Extension Validation
          • File Format Validation
          • System Object Naming Validation
        • Assessment
          • Analyzing subfolders
        • Conversion
          • Converting subfolders
          • General Conversion Settings
          • Teradata Conversion Settings
          • Oracle Conversion Settings
          • Transact-SQL Conversion Settings
        • Review Results
          • SnowConvert Scopes
          • Output Code
          • Reports
            • Top-Level Code Units Report
            • Embedded Code Units Report
            • Assessment Report
              • Overall Conversion Summary
              • SQL Conversion Summary
              • Scripts Line Conversion Summary
              • Object Conversion Summary
              • File and Object Level Breakdown - SQL Files
              • File and Object Level Breakdown - SQL Identified Objects
              • Scripts - Files
              • Scripts - Identified Objects
              • Schemas
              • Databases & Schemas
              • Code Completeness Score
            • Issues Report
            • Missing Objects Report
            • Object References Report
            • Elements Report
            • Renaming Report
      • Training and Support
    • Conversion Software Terms of Use
      • Open Source Libraries
    • Release Notes
      • Recent Release Notes
      • Previous Release Notes By Platform
        • Teradata
          • Release Notes
            • 2024
            • 2023
            • 2022
            • 2021
            • 2020
            • Roadmap
        • Oracle
          • Release Notes
            • 2023
            • 2022
            • 2021
            • 2020
            • Roadmap
        • SQL Server
          • Release Notes
            • 2023
            • 2022
            • 2021
    • User Guide
      • SnowConvert
        • How to install the tool
          • Linux
          • Windows
          • MacOS
        • How to update the tool
        • How to get an access code
          • How to Retrieve Your UUID for SnowConvert Offline Activation in Linux
        • What is a SnowConvert Project?
        • How to use the SnowConvert CLI
        • Command Line Interface
          • Teradata
          • Oracle
          • Transact-SQL
          • Redshift
          • Renaming feature
      • SnowConvert for Redshift (Preview)
        • How to install the tool
          • Windows
          • MacOS
        • How to update the tool
        • How to inquire about an access code
        • What is a SnowConvert for Redshift project?
          • Project creation
          • Extraction
          • Conversion
          • Deployment
          • Data Migration
    • Technical Documentation
      • Understanding Converted Code
        • EWIs
          • General
            • SSC-EWI-0001
            • SSC-EWI-0002
            • SSC-EWI-0003
            • SSC-EWI-0004
            • SSC-EWI-0005
            • SSC-EWI-0006
            • SSC-EWI-0007
            • SSC-EWI-0008
            • SSC-EWI-0009
            • SSC-EWI-0010
            • SSC-EWI-0011
            • SSC-EWI-0012
            • SSC-EWI-0013
            • SSC-EWI-0014
            • SSC-EWI-0015
            • SSC-EWI-0020
            • SSC-EWI-0021
            • SSC-EWI-0022
            • SSC-EWI-0023
            • SSC-EWI-0025
            • SSC-EWI-0026
            • SSC-EWI-0027
            • SSC-EWI-0028
            • SSC-EWI-0030
            • SSC-EWI-0031
            • SSC-EWI-0033
            • SSC-EWI-0034
            • SSC-EWI-0035
            • SSC-EWI-0036
            • SSC-EWI-0040
            • SSC-EWI-0041
            • SSC-EWI-0045
            • SSC-EWI-0046
            • SSC-EWI-0049
            • SSC-EWI-0052
            • SSC-EWI-0053
            • SSC-EWI-0054
            • SSC-EWI-0056
            • SSC-EWI-0058
            • SSC-EWI-0062
            • SSC-EWI-0064
            • SSC-EWI-0066
            • SSC-EWI-0067
            • SSC-EWI-0068
            • SSC-EWI-0073
            • SSC-EWI-0077
            • SSC-EWI-0080
            • SSC-EWI-0084
            • SSC-EWI-0086
            • SSC-EWI-0092
            • SSC-EWI-0094
            • SSC-EWI-0101
            • SSC-EWI-0102
            • SSC-EWI-0107
            • SSC-EWI-0108
            • SSC-EWI-0109
            • SSC-EWI-0110
          • Teradata
            • SSC-EWI-TD0001
            • SSC-EWI-TD0002
            • SSC-EWI-TD0003
            • SSC-EWI-TD0004
            • SSC-EWI-TD0005
            • SSC-EWI-TD0006
            • SSC-EWI-TD0008
            • SSC-EWI-TD0009
            • SSC-EWI-TD0010
            • SSC-EWI-TD0012
            • SSC-EWI-TD0017
            • SSC-EWI-TD0020
            • SSC-EWI-TD0023
            • SSC-EWI-TD0024
            • SSC-EWI-TD0025
            • SSC-EWI-TD0027
            • SSC-EWI-TD0029
            • SSC-EWI-TD0031
            • SSC-EWI-TD0034
            • SSC-EWI-TD0039
            • SSC-EWI-TD0040
            • SSC-EWI-TD0041
            • SSC-EWI-TD0046
            • SSC-EWI-TD0049
            • SSC-EWI-TD0051
            • SSC-EWI-TD0052
            • SSC-EWI-TD0053
            • SSC-EWI-TD0055
            • SSC-EWI-TD0057
            • SSC-EWI-TD0059
            • SSC-EWI-TD0060
            • SSC-EWI-TD0061
            • SSC-EWI-TD0063
            • SSC-EWI-TD0066
            • SSC-EWI-TD0068
            • SSC-EWI-TD0069
            • SSC-EWI-TD0070
            • SSC-EWI-TD0076
            • SSC-EWI-TD0077
            • SSC-EWI-TD0079
            • SSC-EWI-TD0082
            • SSC-EWI-TD0083
            • SSC-EWI-TD0087
            • SSC-EWI-TD0091
          • Oracle
            • SSC-EWI-OR0001
            • SSC-EWI-OR0002
            • SSC-EWI-OR0004
            • SSC-EWI-OR0005
            • SSC-EWI-OR0006
            • SSC-EWI-OR0007
            • SSC-EWI-OR0008
            • SSC-EWI-OR0009
            • SSC-EWI-OR0010
            • SSC-EWI-OR0011
            • SSC-EWI-OR0013
            • SSC-EWI-OR0014
            • SSC-EWI-OR0016
            • SSC-EWI-OR0020
            • SSC-EWI-OR0023
            • SSC-EWI-OR0026
            • SSC-EWI-OR0029
            • SSC-EWI-OR0030
            • SSC-EWI-OR0031
            • SSC-EWI-OR0032
            • SSC-EWI-OR0033
            • SSC-EWI-OR0035
            • SSC-EWI-OR0036
            • SSC-EWI-OR0038
            • SSC-EWI-OR0039
            • SSC-EWI-OR0042
            • SSC-EWI-OR0045
            • SSC-EWI-OR0046
            • SSC-EWI-OR0047
            • SSC-EWI-OR0049
            • SSC-EWI-OR0050
            • SSC-EWI-OR0051
            • SSC-EWI-OR0052
            • SSC-EWI-OR0053
            • SSC-EWI-OR0057
            • SSC-EWI-OR0067
            • SSC-EWI-OR0068
            • SSC-EWI-OR0069
            • SSC-EWI-OR0070
            • SSC-EWI-OR0071
            • SSC-EWI-OR0072
            • SSC-EWI-OR0075
            • SSC-EWI-OR0076
            • SSC-EWI-OR0078
            • SSC-EWI-OR0082
            • SSC-EWI-OR0087
            • SSC-EWI-OR0089
            • SSC-EWI-OR0090
            • SSC-EWI-OR0092
            • SSC-EWI-OR0095
            • SSC-EWI-OR0097
            • SSC-EWI-OR0099
            • SSC-EWI-OR0100
            • SSC-EWI-OR0101
            • SSC-EWI-OR0103
            • SSC-EWI-OR0104
            • SSC-EWI-OR0105
            • SSC-EWI-OR0108
            • SSC-EWI-OR0109
            • SSC-EWI-OR0110
            • SSC-EWI-OR0116
            • SSC-EWI-OR0118
            • SSC-EWI-OR0121
            • SSC-EWI-OR0123
            • SSC-EWI-OR0126
            • SSC-EWI-OR0128
            • SSC-EWI-OR0129
            • SSC-EWI-OR0133
            • SSC-EWI-OR0135
            • SSC-EWI-OR0136
          • Transact-SQL
            • SSC-EWI-TS0001
            • SSC-EWI-TS0002
            • SSC-EWI-TS0003
            • SSC-EWI-TS0009
            • SSC-EWI-TS0010
            • SSC-EWI-TS0013
            • SSC-EWI-TS0016
            • SSC-EWI-TS0017
            • SSC-EWI-TS0023
            • SSC-EWI-TS0024
            • SSC-EWI-TS0025
            • SSC-EWI-TS0026
            • SSC-EWI-TS0032
            • SSC-EWI-TS0034
            • SSC-EWI-TS0035
            • SSC-EWI-TS0036
            • SSC-EWI-TS0037
            • SSC-EWI-TS0039
            • SSC-EWI-TS0041
            • SSC-EWI-TS0043
            • SSC-EWI-TS0044
            • SSC-EWI-TS0045
            • SSC-EWI-TS0046
            • SSC-EWI-TS0047
            • SSC-EWI-TS0049
            • SSC-EWI-TS0055
            • SSC-EWI-TS0056
            • SSC-EWI-TS0057
            • SSC-EWI-TS0060
            • SSC-EWI-TS0061
            • SSC-EWI-TS0063
            • SSC-EWI-TS0067
            • SSC-EWI-TS0070
            • SSC-EWI-TS0072
            • SSC-EWI-TS0073
            • SSC-EWI-TS0074
            • SSC-EWI-TS0075
            • SSC-EWI-TS0076
            • SSC-EWI-TS0077
            • SSC-EWI-TS0078
            • SSC-EWI-TS0079
            • SSC-EWI-TS0080
            • SSC-EWI-TS0081
          • PostgreSQL
            • SSC-EWI-PG0001
            • SSC-EWI-PG0002
            • SSC-EWI-PG0003
            • SSC-EWI-PG0004
            • SSC-EWI-PG0006
            • SSC-EWI-PG0008
            • SSC-EWI-PG0007
            • SSC-EWI-PG0009
            • SSC-EWI-PG0010
            • SSC-EWI-PG0011
            • SSC-EWI-PG0012
            • SSC-EWI-PG0014
            • SSC-EWI-PG0015
            • SSC-EWI-PG0016
          • Redshift
            • SSC-EWI-RS0002
            • SSC-EWI-RS0003
            • SSC-EWI-RS0004
            • SSC-EWI-RS0005
            • SSC-EWI-RS0006
            • SSC-EWI-RS0007
            • SSC-EWI-RS0008
            • SSC-EWI-RS0009
          • Sybase IQ
            • SSC-EWI-SY0001
            • SSC-EWI-SY0002
            • SSC-EWI-SY0003
            • SSC-EWI-SY0004
            • SSC-EWI-SY0005
            • SSC-EWI-SY0006
            • SSC-EWI-SY0007
            • SSC-EWI-SY0008
            • SSC-EWI-SY0009
          • BigQuery
            • SSC-EWI-BQ0001
            • SSC-EWI-BQ0002
            • SSC-EWI-BQ0003
            • SSC-EWI-BQ0004
            • SSC-EWI-BQ0005
            • SSC-EWI-BQ0006
            • SSC-EWI-BQ0007
            • SSC-EWI-BQ0008
            • SSC-EWI-BQ0009
            • SSC-EWI-BQ0011
            • SSC-EWI-BQ0012
            • SSC-EWI-BQ0013
            • SSC-EWI-BQ0014
            • SSC-EWI-BQ0015
          • Greenplum
          • Spark
            • SSC-EWI-SPK0001
          • Hive
            • SSC-EWI-HV0001
        • Functional Difference Messages
          • General
            • SSC-FDM-0001
            • SSC-FDM-0002
            • SSC-FDM-0003
            • SSC-FDM-0004
            • SSC-FDM-0005
            • SSC-FDM-0006
            • SSC-FDM-0007
            • SSC-FDM-0008
            • SSC-FDM-0009
            • SSC-FDM-0010
            • SSC-FDM-0011
            • SSC-FDM-0012
            • SSC-FDM-0013
            • SSC-FDM-0014
            • SSC-FDM-0015
            • SSC-FDM-0016
            • SSC-FDM-0017
            • SSC-FDM-0018
            • SSC-FDM-0019
            • SSC-FDM-0020
            • SSC-FDM-0021
            • SSC-FDM-0022
            • SSC-FDM-0023
            • SSC-FDM-0024
            • SSC-FDM-0026
            • SSC-FDM-0027
            • SSC-FDM-0028
            • SSC-FDM-0029
            • SSC-FDM-0030
            • SSC-FDM-0031
            • SSC-FDM-0032
            • SSC-FDM-0033
            • SSC-FDM-0034
          • Teradata
            • SSC-FDM-TD0001
            • SSC-FDM-TD0002
            • SSC-FDM-TD0003
            • SSC-FDM-TD0004
            • SSC-FDM-TD0005
            • SSC-FDM-TD0006
            • SSC-FDM-TD0007
            • SSC-FDM-TD0008
            • SSC-FDM-TD0009
            • SSC-FDM-TD0010
            • SSC-FDM-TD0011
            • SSC-FDM-TD0012
            • SSC-FDM-TD0013
            • SSC-FDM-TD0014
            • SSC-FDM-TD0015
            • SSC-FDM-TD0016
            • SSC-FDM-TD0017
            • SSC-FDM-TD0018
            • SSC-FDM-TD0019
            • SSC-FDM-TD0020
            • SSC-FDM-TD0021
            • SSC-FDM-TD0022
            • SSC-FDM-TD0023
            • SSC-FDM-TD0024
            • SSC-FDM-TD0025
            • SSC-FDM-TD0026
            • SSC-FDM-TD0027
            • SSC-FDM-TD0028
            • SSC-FDM-TD0029
            • SSC-FDM-TD0030
            • SSC-FDM-TD0031
            • SSC-FDM-TD0032
            • SSC-FDM-TD0033
          • Oracle
            • SSC-FDM-OR0001
            • SSC-FDM-OR0002
            • SSC-FDM-OR0003
            • SSC-FDM-OR0004
            • SSC-FDM-OR0005
            • SSC-FDM-OR0006
            • SSC-FDM-OR0007
            • SSC-FDM-OR0008
            • SSC-FDM-OR0009
            • SSC-FDM-OR0010
            • SSC-FDM-OR0011
            • SSC-FDM-OR0012
            • SSC-FDM-OR0013
            • SSC-FDM-OR0014
            • SSC-FDM-OR0015
            • SSC-FDM-OR0016
            • SSC-FDM-OR0017
            • SSC-FDM-OR0018
            • SSC-FDM-OR0019
            • SSC-FDM-OR0020
            • SSC-FDM-OR0021
            • SSC-FDM-OR0022
            • SSC-FDM-OR0023
            • SSC-FDM-OR0024
            • SSC-FDM-OR0025
            • SSC-FDM-OR0026
            • SSC-FDM-OR0027
            • SSC-FDM-OR0028
            • SSC-FDM-OR0029
            • SSC-FDM-OR0030
            • SSC-FDM-OR0031
            • SSC-FDM-OR0032
            • SSC-FDM-OR0033
            • SSC-FDM-OR0034
            • SSC-FDM-OR0035
            • SSC-FDM-OR0036
            • SSC-FDM-OR0037
            • SSC-FDM-OR0038
            • SSC-FDM-OR0039
            • SSC-FDM-OR0040
            • SSC-FDM-OR0041
            • SSC-FDM-OR0042
            • SSC-FDM-OR0043
            • SSC-FDM-OR0044
            • SSC-FDM-OR0045
            • SSC-FDM-OR0046
            • SSC-FDM-OR0047
            • SSC-FDM-OR0049
          • Transact-SQL
            • SSC-FDM-TS0001
            • SSC-FDM-TS0002
            • SSC-FDM-TS0003
            • SSC-FDM-TS0004
            • SSC-FDM-TS0005
            • SSC-FDM-TS0006
            • SSC-FDM-TS0007
            • SSC-FDM-TS0008
            • SSC-FDM-TS0009
            • SSC-FDM-TS0010
            • SSC-FDM-TS0011
            • SSC-FDM-TS0012
            • SSC-FDM-TS0013
            • SSC-FDM-TS0014
            • SSC-FDM-TS0015
            • SSC-FDM-TS0016
            • SSC-FDM-TS0017
            • SSC-FDM-TS0018
            • SSC-FDM-TS0019
            • SSC-FDM-TS0020
            • SSC-FDM-TS0021
            • SSC-FDM-TS0022
            • SSC-FDM-TS0023
            • SSC-FDM-TS0024
            • SSC-FDM-TS0025
            • SSC-FDM-TS0026
            • SSC-FDM-TS0027
            • SSC-FDM-TS0028
            • SSC-FDM-TS0029
            • SSC-FDM-TS0030
            • SSC-FDM-TS0031
          • PostgreSQL
            • SSC-FDM-PG0001
            • SSC-FDM-PG0002
            • SSC-FDM-PG0003
            • SSC-FDM-PG0004
            • SSC-FDM-PG0005
            • SSC-FDM-PG0006
            • SSC-FDM-PG0007
            • SSC-FDM-PG0008
            • SSC-FDM-PG0009
            • SSC-FDM-PG0010
            • SSC-FDM-PG0011
            • SSC-FDM-PG0012
            • SSC-FDM-PG0013
            • SSC-FDM-PG0014
            • SSC-FDM-PG0015
            • SSC-FDM-PG0016
          • Redshift
            • SSC-FDM-RS0001
            • SSC-FDM-RS0002
            • SSC-FDM-RS0003
            • SSC-FDM-RS0004
            • SSC-FDM-RS0005
            • SSC-FDM-RS0006
            • SSC-FDM-RS0007
            • SSC-FDM-RS0008
          • Sybase IQ
            • SSC-FDM-SY0001
            • SSC-FDM-SY0002
          • BigQuery
            • SSC-FDM-BQ0001
            • SSC-FDM-BQ0002
            • SSC-FDM-BQ0003
            • SSC-FDM-BQ0004
            • SSC-FDM-BQ0005
            • SSC-FDM-BQ0006
            • SSC-FDM-BQ0007
            • SSC-FDM-BQ0008
            • SSC-FDM-BQ0010
          • Greenplum
            • SSC-FDM-GP0001
        • Performance Review Messages
          • General
            • SSC-PRF-0001
            • SSC-PRF-0002
            • SSC-PRF-0003
            • SSC-PRF-0004
            • SSC-PRF-0005
            • SSC-PRF-0006
            • SSC-PRF-0007
          • Teradata
          • Oracle
          • Transact-SQL
            • SSC-PRF-TS0001
        • Out-of-Scope
          • SSC-OOS-0001
      • Function References
        • SnowConvert UDFs
        • Oracle
          • BFILENAME_UDF
          • CAST_DATE_UDF
          • CLOSE_BULK_CURSOR_UDF
          • DATE_TO_JULIAN_DAYS_UDF
          • DATE_TO_RR_FORMAT_UDF
          • DATEADD_UDF (DATE, FLOAT)
          • DATEADD_UDF (FLOAT, DATE)
          • DATEADD_UDF (TIMESTAMP, FLOAT)
          • DATEADD_UDF (FLOAT, TIMESTAMP)
          • DATEDIFF_UDF(DATE, DATE)
          • DATEDIFF_UDF(DATE, TIMESTAMP)
          • DATEDIFF_UDF(DATE, INTEGER)
          • DATEDIFF_UDF(TIMESTAMP, TIMESTAMP)
          • DATEDIFF_UDF(TIMESTAMP, DATE)
          • DATEDIFF_UDF(TIMESTAMP, NUMBER)
          • DBMS_OUTPUT.PUT_LINE_UDF
          • DBMS_RANDOM.VALUE_UDF
          • DBMS_RANDOM.VALUE_UDF (DOUBLE, DOUBLE)
          • FETCH_BULK_COLLECTION_RECORDS_UDF (OBJECT, FLOAT, ARRAY)
          • FETCH_BULK_COLLECTION_RECORDS_UDF (OBJECT)
          • FETCH_BULK_COLLECTION_RECORDS_UDF (OBJECT, INTEGER)
          • FETCH_BULK_COLLECTION_RECORDS_UDF (OBJECT, ARRAY)
          • FETCH_BULK_COLLECTIONS_UDF (OBJECT, FLOAT)
          • FETCH_BULK_COLLECTIONS_UDF (OBJECT)
          • FETCH_BULK_RECORD_COLLECTIONS_UDF (OBJECT, FLOAT, ARRAY)
          • FETCH_BULK_RECORD_COLLECTIONS_UDF (OBJECT)
          • FETCH_BULK_RECORD_COLLECTIONS_UDF (OBJECT, INTEGER)
          • FETCH_BULK_RECORD_COLLECTIONS_UDF (OBJECT, ARRAY)
          • INIT_CURSOR_UDF
          • JSON_VALUE_UDF
          • JULIAN_TO_GREGORIAN_DATE_UDF
          • OPEN_BULK_CURSOR_UDF (OBJECT, ARRAY)
          • OPEN_BULK_CURSOR_UDF (OBJECT)
          • REGEXP_LIKE_UDF (STRING, STRING, STRING)
          • REGEXP_LIKE_UDF (STRING, STRING)
          • TIMESTAMP_DIFF_UDF
          • UPDATE_PACKAGE_VARIABLE_STATE_UDF
          • UTL_FILE.FCLOSE_UDF
          • UTL_FILE.FOPEN_UDF (VARCHAR,VARCHAR)
          • UTL_FILE.FOPEN_UDF (VARCHAR, VARCHAR, VARCHAR)
          • UTL_FILE.PUT_LINE_UDF
        • Shared
          • DATEADD_UDF (DATE, STRING)
          • DATEADD_UDF (TIMESTAMP, STRING)
          • DATEADD_UDF (STRING, DATE)
          • DATEADD_UDF (STRING, TIMESTAMP)
          • DATEDIFF_UDF (DATE, STRING)
          • DATEDIFF_UDF (TIMESTAMP, STRING)
          • DATEDIFF_UDF (STRING, DATE)
          • DATEDIFF_UDF (STRING, TIMESTAMP)
          • INTERVAL_ADD_UDF (VARCHAR, VARCHAR, VARCHAR, VARCHAR, CHAR, VARCHAR)
          • INTERVAL_MULTIPLY_UDF (VARCHAR, VARCHAR, INTEGER)
          • INTERVAL_TO_MONTHS_UDF (VARCHAR)
          • INTERVAL_TO_SECONDS_UDF (VARCHAR, VARCHAR)
          • MONTHS_TO_INTERVAL_UDF (VARCHAR, NUMBER)
          • SECONDS_TO_INTERVAL_UDF (VARCHAR, NUMBER)
          • TO_INTERVAL_UDF (TIME)
          • TRUNC_UDF (TIMESTAMP_LTZ, VARCHAR)
          • TRUNC_UDF (NUMBER, NUMBER)
          • TRUNC_UDF (NUMBER)
          • TRUNC_UDF (TIMESTAMP_LTZ)
        • Transact-SQL
          • CAST_NUMERIC_TO_TIMESTAMP_TZ_UDF (NUMBER)
          • CAST_TIME_TO_TIMESTAMP_TZ_UDF (TIME)
          • CAST_TIMESTAMP_TZ_TO_NUMERIC_UDF (TIMESTAMP_TZ)
          • CONSTRAINT_OBJECT_ID_UDF (VARCHAR)
          • DB_ID_UDF(STRING)
          • ERROR_LINE_UDF
          • ERROR_NUMBER_UDF
          • ERROR_PROCEDURE_UDF
          • ERROR_SEVERITY_UDF
          • ERROR_STATE_UDF
          • FORMATMESSAGE_UDF
          • FUNCTION_OBJECT_ID_UDF (VARCHAR)
          • GET_CURRENT_TIMEZONE_UDF
          • IDENTITY_UDF
          • IS_MEMBER_UDF
          • ISDATE_UDF
          • ISNUMERIC_UDF
          • OBJECT_ID_UDF (VARCHAR)
          • OFFSET_FORMATTER (VARCHAR)
          • OPENXML_UDF
          • PARSENAME_UDF
          • PATINDEX_UDF
          • PROCEDURE_OBJECT_ID_UDF (VARCHAR)
          • QUOTENAME_UDF (VARCHAR, VARCHAR)
          • QUOTENAME_UDF (VARCHAR)
          • RAISERROR_UDF (DOUBLE, DOUBLE, DOUBLE, ARRAY)
          • RAISERROR_UDF (VARCHAR, DOUBLE, DOUBLE, ARRAY)
          • ROUND_MILLISECONDS_UDF (TIMESTAMP_TZ)
          • SEQUENCE_OBJECT_ID_UDF (VARCHAR)
          • STR_UDF (FLOAT, VARCHAR)
          • STR_UDF(FLOAT)
          • SUBTRACT_TIMESTAMP_TZ_UDF (TIMESTAMP_TZ, TIMESTAMP_TZ)
          • SUM_TIMESTAMP_TZ_UDF (TIMESTAMP_TZ, TIMESTAMP_TZ)
          • SWITCHOFFSET_UDF (TIMESTAMP_TZ, VARCHAR)
          • TABLE_OBJECT_ID_UDF (VARCHAR)
          • TRANSFORM_SP_EXECUTE_SQL_STRING_UDF(STRING, STRING, ARRAY, ARRAY)
          • FOR_XML_UDF (OBJECT, VARCHAR)
          • FOR_XML_UDF (OBJECT, VARCHAR, VARCHAR)
          • UPDATE_ERROR_VARS_UDF (STRING, STRING, STRING, STRING, STRING, STRING)
          • UPDATE_ERROR_VARS_UDF (STRING, STRING, STRING)
          • VIEW_OBJECT_ID_UDF (VARCHAR)
          • XML_JSON_SIMPLE
        • Teradata
          • CENTURY_UDF
          • CHAR2HEXINT_UDF
          • CHKNUM_UDF
          • COMPUTE_EXPAND_ON_UDF
          • DATE_LONG_UDF
          • DATE_TO_INT_UDF
          • DATEADD_UDF
          • DAY_OF_WEEK_LONG_UDF
          • DAYNAME_LONG_UDF (TIMESTAMP_TZ)
          • DAYNAME_LONG_UDF (TIMESTAMP_TZ, VARCHAR)
          • DAYNUMBER_OF_MONTH_UDF
          • DAYNUMBER_OF_YEAR_UDF
          • DIFF_TIME_PERIOD_UDF
          • EXPAND_ON_UDF
          • EXTRACT_TIMESTAMP_DIFFERENCE_UDF
          • FIRST_DAY_JANUARY_OF_ISO_UDF
          • FIRST_DAY_OF_MONTH_ISO_UDF
          • FULL_MONTH_NAME_UDF
          • GETQUERYBANDVALUE_UDF (VARCHAR, FLOAT, VARCHAR)
          • GETQUERYBANDVALUE_UDF (VARCHAR)
          • INSERT_CURRENCY_UDF
          • INSTR_UDF (STRING, STRING)
          • INSTR_UDF (STRING, STRING, INT)
          • INSTR_UDF (STRING, STRING, DOUBLE, DOUBLE)
          • INT_TO_DATE_UDF
          • INTERVAL_ADD_UDF
          • INTERVAL_MULTIPLY_UDF
          • INTERVAL_DIVIDE_UDF
          • INTERVAL_TO_MONTHS_UDF
          • INTERVAL_TO_SECONDS_UDF
          • ISO_YEAR_PART_UDF
          • JAROWINKLER_UDF
          • JSON_EXTRACT_DOT_NOTATION_UDF
          • JSON_EXTRACT_UDF
          • JULIAN_DAY_UDF
          • JULIAN_TO_DATE_UDF
          • LAST_DAY_DECEMBER_OF_ISO_UDF
          • MONTH_NAME_LONG_UDF
          • MONTH_SHORT_UDF
          • MONTHS_BETWEEN_UDF
          • NULLIFZERO_UDF
          • NVP_UDF
          • PERIOD_UDF
          • PERIOD_INTERSECT_UDF
          • PERIOD_OVERLAPS_UDF
          • PERIOD_TO_TIME_UDF
          • QUARTERNUMBER_OF_YEAR_UDF
          • ROMAN_NUMERALS_MONTH_UDF
          • ROUND_DATE_UDF
          • ROW_COUNT_UDF
          • SECONDS_PAST_MIDNIGHT_UDF
          • SUBSTR_UDF (STRING, FLOAT, FLOAT)
          • SUBSTR_UDF (STRING, FLOAT)
          • TD_DAY_OF_CALENDAR_UDF
          • TD_DAY_OF_WEEK_COMPATIBLE_UDF
          • TD_DAY_OF_WEEK_UDF
          • TD_MONTH_OF_CALENDAR_UDF
          • TD_WEEK_OF_CALENDAR_UDF
          • TD_WEEK_OF_YEAR_UDF
          • TD_YEAR_BEGIN_UDF
          • TD_YEAR_END_UDF
          • TIME_DIFFERENCE_UDF
          • TIMESTAMP_ADD_UDF
          • TIMESTAMP_DIFFERENCE_UDF
          • TO_BYTES_HEX_UDF
          • TRANSLATE_CHK_UDF
          • WEEK_NUMBER_OF_QUARTER_ISO_UDF
          • WEEK_NUMBER_OF_QUARTER_COMPATIBLE_UDF
          • WEEK_NUMBER_OF_QUARTER_UDF
          • WEEK_OF_MONTH_UDF
          • WEEKNUMBER_OF_MONTH_UDF
          • WRAP_NEGATIVE_WITH_ANGLE_BRACKETS_UDF
          • YEAR_BEGIN_ISO_UDF
          • YEAR_END_ISO_UDF
          • YEAR_PART_UDF
          • YEAR_WITH_COMMA_UDF
      • Considerations
        • Teradata
    • Contact Us
    • Others
      • How to Use SnowConvert with Docker
    • Frequently Asked Questions (FAQ)
  • 📘Translation References
    • General
      • Subqueries
      • Built-in functions
    • Teradata
      • Data Migration Considerations
        • UNION ALL Data Migration
      • Session Modes in Teradata
        • TERA Mode For Strings Comparison - NO COLLATE
        • TERA Mode For Strings Comparison - COLLATE
        • ANSI Mode For Strings Comparison - NO COLLATE
        • ANSI Mode For Strings Comparison - COLLATE
      • SQL Translation Reference
        • Data Types
        • DDL
          • Tables
            • WITH DEFAULT
          • Index
          • Views
          • Join Index
          • Schema
        • DML
          • Delete Statement
          • Insert Statement
            • LOGGING ERRORS
          • Select Statement
            • ANY Predicate
            • Expand On Clause
            • Normalize
            • Reset When
            • SAMPLE clause
          • Set Operators
          • Update Statement
          • With Modifier
        • Database DBC
        • Built-in Functions
          • CAST
            • Cast to INTERVAL datatype
            • Cast to DATE using { }
            • Cast from Number Datatypes to Varchar Datatype
          • CURRENT_TIMESTAMP
          • COALESCE
          • DAYNUMBER_OF_MONTH
          • FROM_BYTES
          • GETQUERYBANDVALUE
          • JSON_CHECK
          • JSON_EXTRACT
          • JSON_TABLE
          • NEW JSON
          • NVP
          • OVERLAPS
          • PIVOT
          • P_INTERSECT
          • RANK
          • Regex functions
          • STRTOK_SPLIT_TO_TABLE
          • SUBSTRING
          • TD_UNPIVOT
          • TO_CHAR
          • XMLAGG
      • SQL to Snowflake Scripting (Procedures)
        • CREATE PROCEDURE
        • CREATE MACRO
        • ACTIVITY_COUNT
        • ABORT and ROLLBACK
        • BEGIN END
        • CASE
        • CURSOR
        • DECLARE
        • DECLARE CONDITION HANDLER
        • DECLARE CONTINUE HANDLER
        • DML and DDL Objects
        • EXCEPTION HANDLERS
        • EXECUTE IMMEDIATE
        • EXECUTE/EXEC
        • FUNCTION OPTIONS OR DATA ACCESS
        • GET DIAGNOSTICS EXCEPTION
        • IF
        • LOCKING FOR ACCESS
        • LOOP
        • OUTPUT PARAMETERS
        • PREPARE
        • REPEAT
        • SET
        • SYSTEM_DEFINED
        • WHILE
      • SQL to JavaScript (Procedures)
        • Procedures
        • Macros
        • SnowConvert Procedures Helpers
          • Cursor Helper
          • Exec Helper
          • Functional Equivalence Helpers
          • Into Helper
        • GET DIAGNOSTICS EXCEPTION
      • Scripts to Snowflake SQL Translation Reference
        • COMMON STATEMENTS
          • ERROR HANDLING
          • EXIT or QUIT
          • GOTO
          • IF... THEN...
        • BTEQ
        • MLOAD
          • Import
      • Scripts To Python Translation Reference
        • BTEQ
          • REPEAT
          • USING REQUEST MODIFIER
        • FLOAD
          • BEGIN LOADING
        • MLOAD
          • BEGIN MLOAD
        • TPT
        • SnowConvert Scripts Helpers
          • Technical Documentation
    • Oracle
      • Sample data
      • Basic Elements of Oracle SQL
        • Data Types
          • Oracle Built-in Data Types
            • Character Data Types
              • CHAR Data type
              • NCHAR Data Type
              • VARCHAR2 Data Type
              • VARCHAR Data Type
              • NVARCHAR2 Data Type
            • Numeric Data Types
              • NUMBER Data Type
              • FLOAT Data Type
              • Floating-Point Numbers
                • BINARY_FLOAT
                • BINARY_DOUBLE
            • LONG Data Type
            • Datetime and Interval Data Types
              • DATE Data Type
              • TIMESTAMP Data Type
              • TIMESTAMP WITH TIME ZONE Data Type
              • TIMESTAMP WITH LOCAL TIME ZONE Data Type
              • INTERVAL YEAR TO MONTH Data Type
              • INTERVAL DAY TO SECOND Data Type
              • Datetime Arithmetic
                • Interval UDFs vs Snowflake native interval operation
            • LOB Data Types
              • BFILE Data Type
              • BLOB Data Type
              • CLOB Data Type
              • NCLOB Data type
            • JSON Data Type
            • Extended Data Types
            • RAW and LONG RAW Data types
            • PL SQL Data Types
              • PLS_INTEGER Data Type
              • BINARY_INTEGER Data Type
          • Rowid Data Type
            • ROWID DataType
            • UROWID Data Type
          • ANSI Data Types
          • User-Defined Types
            • REF Data Types
          • Any Types
            • ANYTYPE
            • ANYDATA
            • ANYDATASET
          • XML Types
            • XMLType
            • URI Data Types
              • HTTPURIType
              • XDBURIType
              • DBURIType
            • URIFactory Package
          • Spatial Types
            • SDO_GEOMETRY
            • SDO_TOPO_GEOMETRY
            • SDO_GEORASTER
          • Data Type Customization
        • Literals
          • Interval Literal
          • Interval Type and Date Type
          • Text literals
      • Pseudocolumns
        • ROWID
        • ROWNUM
      • Built-in functions
        • SnowConvert Custom UDFs
          • BFILENAME UDF
          • DATE_TO_JULIANDAYS_UDF
          • DATEADD UDF
          • DATEDIFF UDF
          • INTERVAL UDFs
            • DATEADD UDF INTERVAL
            • DATEDIFF UDF INTERVAL
          • CAST_DATE UDF
          • JSON_VALUE UDF
          • JULIAN TO GREGORIAN DATE UDF
          • MONTHS BETWEEN UDF [DEPRECATED]
          • REGEXP LIKE UDF
          • TIMESTAMP DIFF UDF
          • TRUNC (date) UDF
          • TRUNC (number) UDF
        • TO_NUMBER
        • NLSSORT
      • Built-In packages
        • DBMS_LOB
          • SUBSTR Function
        • DBMS_RANDOM
          • VALUE functions
        • DBMS_OUTPUT
          • PUT_LINE procedure
        • UTL_FILE
          • FOPEN procedure
          • PUT_LINE procedure
          • FCLOSE procedure
      • SQL Queries and Subqueries
        • Select
          • Select Flashback Query
        • Joins
          • Equijoin
          • Band Join
          • Self Join
          • Cartesian Products
          • Inner Join
          • Outer Join
          • Antijoin
          • Semijoin
      • SQL Statements
        • Alter Session
        • Alter Table
        • Create Materialized Views
        • Create Database Link
        • Create Index
        • Create Sequence
        • Create Synonym
        • Create Table
        • Create Type
          • Object Type Definition
          • Subtype Definition
          • Array Type Definition
          • Nested Table Type Definition
          • Member Function Definitions
        • Create View
        • Drop Table
      • PL/SQL to Snowflake Scripting
        • ASSIGNMENT STATEMENT
        • CALL
        • CASE
        • COLLECTIONS AND RECORDS
          • Associative Array Type Definition
          • Varray Type Definition
          • Nested Table Array Type Definition
          • Collection Methods
          • Collection Bulk Operations
            • WITH, SELECT, and BULK COLLECT INTO statements
          • Record Type Definition
        • COMPOUND STATEMENTS
        • CONTINUE
        • CREATE PROCEDURE
        • CREATE FUNCTION
          • Cursor for a return variable
          • Cursor with IF statement
          • Multiples IFs statement
        • CURSOR
          • PARAMETRIZED CURSOR
          • CURSOR DECLARATION
          • Workaround for cursors using parameters or procedure variables
          • Cursor Variables
        • DECLARE
        • DEFAULT PARAMETERS
        • DML STATEMENTS
          • INSERT Statement Extension
          • MERGE Statement
          • SELECT INTO Statement
          • Work around to simulate the use of Records
        • EXIT
        • EXPRESSIONS
        • EXECUTE IMMEDIATE
        • FORALL
        • FOR LOOP
        • HELPERS
          • Bulk Cursor Helpers
        • IF
        • IS EMPTY
        • LOCK TABLE
        • LOG ERROR
        • LOOP
        • OUTPUT PARAMETERS
        • PACKAGES
          • DECLARATION
          • BODY
          • VARIABLES
          • Constants
        • PROCEDURE CALL
        • RAISE
        • RAISE_APPICATION_ERROR
        • UDF CALL
        • WHILE
      • PL/SQL to Javascript
        • Procedures
        • User defined functions
        • Packages
        • Helpers
          • EXEC Helper
          • Cursor Helper
          • Raise Helper
          • ROWTYPE Helper
          • Between operator helper
          • Like operator Helper
          • IS NULL Helper
          • Concat Value Helper
          • Package variables helper
          • Implicit Cursor attribute helper
        • Declarations
        • Control Statements
        • Conditional Compilation
        • Collections & Records
        • DDL - DML Statements
        • SQL Language Elements
        • Expressions and operators
        • Synonyms
        • Triggers
        • TYPE attribute
      • SQL*Plus
        • Archive Log
        • Attribute
        • Break
        • Btitle
        • Change
        • Column
        • Define
        • Host
        • Prompt
        • Remark
        • Set
        • Spool
        • Start
        • Whenever oserror
        • Whenever sqlerror
        • Show
        • Append
        • Accept
      • Wrapped objects
    • Transact-SQL
      • General Language Elements
        • COMPUTED COLUMN
        • EXECUTE
          • System Store Procedures
            • SP_RENAME
            • SP_EXECUTESQL
        • Collate
        • USE
        • OUTER APPLY
      • DDLs
        • Tables
          • Azure Synapse Analytics
          • TEXTIMAGE_ON
        • Index
        • Views
        • Materialized View
        • Procedures
        • FUNCTION
          • SCALAR
          • INLINE TABLE-VALUED
          • MULTI-STATEMENT TABLE-VALUED
      • DMLs
        • Set Operators
        • Between
        • Update
          • UPDATE with LEFT and RIGHT JOIN
        • Select
        • Insert
        • Delete
        • Merge
        • Exists
        • IN
        • Truncate
        • Bulk Insert
        • Common Table Expression (CTE)
        • Drops
      • Data Types
      • Statements
        • ALTER
          • TABLE
            • ADD
              • COLUMN DEFINITION
                • COLUMN CONSTRAINT
                  • FOREIGN KEY
                  • PRIMARY KEY / UNIQUE
                  • CHECK
              • TABLE CONSTRAINT
                • FOREIGN KEY
                • PRIMARY KEY
                • CHECK
                • CONNECTION
                • DEFAULT
                • ON PARTITION
            • CHECK CONSTRAINT
        • SET
          • ANSI_NULLS
      • Built-in functions
        • SnowConvert custom UDFs
          • OPENXML UDF
          • STR UDF
          • SWITCHOFFSET_UDF
        • Aggregate functions
          • COUNT
          • COUNT_BIG
          • SUM
        • Analytic Functions
          • LAG
        • Conversion functions
          • CONVERT
          • TRY_CONVERT
        • Data Type functions
          • DATALENGTH
        • Date & Time functions
          • AT TIME ZONE
          • SWITCHOFFSET
          • DATEADD
          • DATEDIFF
          • DATEPART
          • DATEFROMPARTS
          • DATENAME
          • DAY
          • EOMONTH
          • GETDATE
          • MONTH
          • SYSDATETIME
          • SYSUTCDATETIME
          • YEAR
        • Logical functions
          • IIF
        • Mathematical functions
          • ABS
          • ACOS
            • ACOS in JS
          • ASIN
            • ASIN in JS
          • ATAN
            • ATAN in JS
          • ATN2
            • ATAN2 in JS
          • AVG
          • CEILING
          • COS
            • COS in JS
          • COT
            • COT in JS
          • DEGREES
            • DEGREES in JS
          • EXP
            • EXP in JS
          • FLOOR
          • LOG
            • LOG in JS
          • LOG10
            • LOG10 in JS
          • PI
            • PI in JS
          • POWER
            • POW in JS
          • SQUARE
          • STDEV
          • STDEVP
          • VAR
          • POWER
          • RADIANS
            • RADIANS in JS
          • ROUND
          • SQRT
        • Metadata functions
          • DB_NAME
          • OBJECT_ID
        • Ranking functions
          • DENSE_RANK
          • RANK
          • ROW_NUMBER
        • String functions
          • ASCII
            • ASCII in JS
          • CHAR
          • CHARINDEX
          • COALESCE
          • CONCAT
          • CONCAT_WS
            • Join in JS
          • DIFFERENCE
            • DIFFERENCE in JS
          • FORMAT
            • FORMAT in JS
          • LEFT
          • LEN
          • LOWER
          • LTRIM
            • LTRIM in JS
          • NCHAR
          • PATINDEX
            • search in JS
          • QUOTENAME
            • QUOTENAME in JS
          • REPLACE
          • REPLICATE
          • REVERSE
            • reverse in JS
          • RIGHT
          • RTRIM
          • SOUNDEX
            • SOUNDEX in JS
          • SPACE
          • STR
            • STR in JS
          • STRING_ESCAPE
            • stringify in JS
          • SUBSTRING
          • TRIM
            • trim in JS
          • UPPER
        • System functions
          • FORMATMESSAGE
            • FORMATMESSAGE_UDF
          • ISNULL
          • NEWID
          • NULLIF
          • @@ROWCOUNT
        • XML Functions
          • Value
          • Query
      • Built-in procedures
        • Custom User Defined Procedures
          • SP_ADDEXTENDEDPROPERTY_UDP
      • Snowflake Scripting
        • CREATE PROCEDURE
        • CASE
        • CURSOR
        • DECLARE
        • EXECUTE
        • IF
        • SET
        • CALL
        • WHILE
        • BEGIN and COMMIT Transaction
        • OUTPUT PARAMETERS
        • LABEL and GOTO
        • TRY CATCH
      • System Tables
        • SYS.FOREIGN_KEYS
      • Queries
        • SELECT
        • TOP
      • ETL-BI Repointing
        • Power BI Repointing
        • SSIS Repointing
    • Sybase IQ
      • SQL Statements
        • CREATE TABLE
          • TEMPORARY TABLES
          • IF NOT EXISTS
          • (ENABLE | DISABLE) RLV STORE
          • IN DBSPACE
          • ON COMMIT
          • AT LOCATION
          • PARTITION BY
          • CONSTRAINTS
          • DEFAULT
        • CREATE VIEW
        • SELECT
      • Built-in functions
      • Data Types
    • SparkSQL-DatabricksSQL
      • SQL Statements
        • CREATE TABLE
        • CREATE VIEW
        • SELECT
      • Built-in functions
      • Data Types
    • Redshift
      • Basic elements
        • Names and identifiers
        • Reserved Keywords
        • Literals
          • NULLS
          • Date, time, and timestamp literals
          • Interval Literals
      • Expressions
        • Compound Expressions
          • Bitwise operators
          • Arithmetic operators
        • Expression lists
      • Conditions
        • Comparison Condition
        • Logical Conditions
        • Pattern-matching conditions
          • LIKE
          • SIMILAR TO
          • POSIX Operators
        • BETWEEN
        • NULL
        • IN
        • EXISTS
      • Data types
        • INTERVAL YEAR TO MONTH Data Type
        • INTERVAL DAY TO SECOND Data Type
        • Numeric Format Models
      • SQL Statements
        • CALL
        • CREATE TABLE AS
          • Table Start
            • LOCAL
            • COLUMNS
            • BACKUP
          • Tabla Attributes
            • DISTSTYLE
            • DISTKEY
            • SORTKEY
        • CREATE TABLE
          • Table Start
            • LOCAL
            • IF NOT EXISTS
            • BACKUP
          • Column Attributes
            • DEFAULT
            • IDENTITY
            • GENERATED BY DEFAULT AS IDENTITY
            • ENCODE
            • DISTKEY
            • SORTKEY
            • COLLATE
          • Column Constraint
            • NOT NULL | NULL
            • UNIQUE | PRIMARY KEY
            • REFERENCES
          • Table Constraints
            • UNIQUE
            • PRIMARY KEY
            • FOREIGN KEY
          • Table Attributes
            • DISTSTYLE
            • DISTKEY
            • SORTKEY
            • ENCODE
        • CREATE EXTERNAL TABLE
        • CREATE VIEW
        • CREATE FUNCTION
        • CREATE MATERIALIZED VIEW
        • CREATE PROCEDURE
          • ARGUMENTS MODE
          • POSITIONAL ARGUMENTS
          • NONATOMIC
          • PROCEDURE BODY
            • BLOCK STATEMENT
            • DECLARE
            • ALIAS DECLARATION
            • VARIABLE DECLARATION
            • LABEL
            • CURSORS
              • DECLARE CURSOR
                • DECLARE REFCURSOR
              • OPEN CURSOR
              • FETCH CURSOR
              • CLOSE CURSOR
            • LOOPS
              • LOOP
              • WHILE
              • FOR
              • EXIT
              • CONTINUE
            • TRANSACTIONS
              • COMMIT
              • ROLLBACK
              • TRUNCATE
            • RAISE
            • EXCEPTION
            • RETURN
            • CONDITIONS
              • IF
              • CASE
          • SECURITY (DEFINER | INVOKER)
        • CREATE SCHEMA
        • CREATE DATABASE
        • DELETE
        • INSERT
        • SELECT
          • WITH clause
          • SELECT list
          • FROM clause
          • WHERE clause
          • CONNECT BY clause
          • GROUP BY clause
          • HAVING clause
          • QUALIFY clause
          • UNION, INTERSECT, and EXCEPT
          • ORDER BY clause
        • SELECT INTO
          • WITH clause
          • SELECT list
          • FROM clause
          • WHERE clause
          • GROUP BY clause
          • HAVING clause
          • UNION, INTERSECT, and EXCEPT
          • ORDER BY clause
          • LIMIT and OFFSET clauses
          • Local Variables and Parameters
        • MERGE
        • UPDATE
        • EXECUTE
      • Built-in functions
        • TO_CHAR
          • For datetime values
        • IDENTITY
      • System catalog tables
    • PostgreSQL & Based Languages
      • Built-in functions
      • Data types
        • Netezza
      • String Comparison
      • DDLs
        • CREATE TABLE
          • Netezza
          • Greenplum
        • CREATE VIEW
        • CREATE MATERIALIZED VIEW
          • Greenplum
      • PostgreSQL interactive terminal
  • BigQuery
    • Identifier differences between BigQuery and Snowflake
    • Sql Statements
      • CREATE EXTERNAL TABLE
      • CREATE VIEW
        • View column name list
        • View Options
      • CREATE TABLE
        • COLUMN DEFINITION
      • CREATE TABLE LIKE
      • CREATE TABLE COPY
      • CREATE TABLE SNAPSHOT
      • CREATE TABLE CLONE
    • Data types
      • ANY TYPE
      • ARRAY<T>
      • BYTES
      • GEOGRAPHY
      • INTERVAL
      • JSON
      • STRUCT
      • TIMESTAMP
    • Built-in functions
      • ST_GEOGFROMTEXT
      • FORMAT_DATE
      • ST_GEOGPOINT
    • Operators
  • SQL Engine Release Notes
    • Release Notes
      • 2024
      • 2023
  • SnowConvert AI
    • SnowConvert Migration Assistant
      • Getting Started
        • Model Preference
      • Troubleshooting
      • Billing
      • Legal Notices
Powered by GitBook
On this page
  • General Description
  • Translation
  • Create Function
  • Function inside Package
  • Return data type mapping
  • Call
  • Inside queries
  • Inside other functions or stored procedures
  • Different cases and limitations
  • Functions with DMLs
  • Functions with only one SELECT INTO
  • Functions with only logic
  • Functions with more than one SQL statement
  • Functions with only logic and built-in SQL functions
  • RETURN CASE
  • Known Issues
  • Related EWIs
  1. Translation References
  2. Oracle
  3. PL/SQL to Javascript

User defined functions

This is a translation reference to convert Oracle functions to snowflake.

PreviousProceduresNextPackages

Last updated 6 months ago

General Description

Most Oracle UDFs and UDFs inside packages, are being transformed to Snowflake Stored Procedures, to maintain functional equivalence, due to Snowflake UDFs having some limitations executing DML (Data Manipulation Language) statements.

Since functions are being transformed into procedures, the also applies here.

Translation

Some parts in the output code are omitted for clarity reasons.

Create Function

Oracle

IN -> Oracle_01.sql
--Additional Params: -t JavaScript
CREATE OR REPLACE FUNCTION FUN1(PAR1 VARCHAR)
RETURN VARCHAR
IS
    VAR1 VARCHAR(20);
    VAR2 VARCHAR(20);
BEGIN
    SELECT COL1 INTO VAR1 FROM TABLE1 where col1 = 1;
    VAR2 := PAR1 || VAR1;
    RETURN VAR2 ;
END;

Snowflake

OUT -> Oracle_01.sql
CREATE OR REPLACE FUNCTION FUN1 (PAR1 VARCHAR)
RETURNS VARCHAR
LANGUAGE SQL
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "oracle",  "convertedOn": "11/13/2024",  "domain": "test" }}'
AS
$$
    WITH declaration_variables_cte1 AS
    (
        SELECT
            (
            SELECT COL1
            FROM
                TABLE1
            where col1 = 1) AS VAR1,
            NVL(PAR1 :: STRING, '') || NVL(VAR1 :: STRING, '') AS
            VAR2
    )
    SELECT
        VAR2
    FROM
        declaration_variables_cte1
$$;

Function inside Package

Oracle

IN -> Oracle_02.sql
--Additional Params: -t JavaScript
CREATE OR REPLACE PACKAGE BODY pkg1 AS
  FUNCTION f1(PAR1 VARCHAR) RETURN VARCHAR IS
    VAR1 VARCHAR(20);
    VAR2 VARCHAR(20);
  BEGIN
    SELECT COL1 INTO VAR1 FROM TABLE1 where col1 = 1;
    VAR2 := PAR1 || VAR1;
    RETURN VAR2 ;
  END f1;
END pkg1;

Snowflake

OUT -> Oracle_02.sql
CREATE OR REPLACE FUNCTION pkg1.f1(PAR1 VARCHAR)
RETURNS VARCHAR
LANGUAGE SQL
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "oracle",  "convertedOn": "11/13/2024",  "domain": "test" }}'
AS
$$
  WITH declaration_variables_cte1 AS
  (
    SELECT
      (
      SELECT COL1
      FROM
        TABLE1
      where col1 = 1) AS VAR1,
      NVL(PAR1 :: STRING, '') || NVL(VAR1 :: STRING, '') AS
      VAR2
  )
  SELECT
    VAR2
  FROM
    declaration_variables_cte1
$$;

Return data type mapping

Oracle PL SQL type
Snowflake equivalent

NUMBER

FLOAT

LONG

VARCHAR

VARCHAR2

STRING

BLOB

BINARY

BFILE

BINARY

Call

Inside queries

Calls of functions that were transformed to procedures inside queries are converted into a an empty Snowflake JavaScript UDF. This Snowflake UDF is generated in the STUB_UDF.sql file inside the UDF Helpers directory.

Oracle

IN -> Oracle_03.sql
CREATE VIEW VIEW1 AS SELECT FUN1(COL2) FROM TABLE1;
CREATE VIEW VIEW2 AS SELECT PKG1.F1(COL1) FROM TABLE1;

Snowflake

OUT -> Oracle_03.sql
CREATE OR REPLACE VIEW VIEW1
COMMENT = '{"origin":"sf_sc","name":"snowconvert","version":{"major":1, "minor":0},{"attributes":{"component":"oracle"}}'
AS
SELECT FUN1(COL2) !!!RESOLVE EWI!!! /*** SSC-EWI-0073 - PENDING FUNCTIONAL EQUIVALENCE REVIEW FOR 'FUN1' NODE ***/!!! FROM
TABLE1;

CREATE OR REPLACE VIEW VIEW2
COMMENT = '{"origin":"sf_sc","name":"snowconvert","version":{"major":1, "minor":0},{"attributes":{"component":"oracle"}}'
AS
SELECT PKG1.F1(COL1) !!!RESOLVE EWI!!! /*** SSC-EWI-0073 - PENDING FUNCTIONAL EQUIVALENCE REVIEW FOR 'PKG1.F1' NODE ***/!!! FROM
TABLE1;

Inside other functions or stored procedures

Oracle

Oracle

IN -> Oracle_04.sql
--Additional Params: -t JavaScript
CREATE OR REPLACE FUNCTION FUN1(x NUMBER) RETURN NUMBER IS
  VAR1 NUMBER;
  BEGIN
    -- FUN2 is another UDF
    VAR1 := FUN2(pkg1.f1(X, FUN2(10)));
    RETURN VAR1;
  END f1;

Snowflake:

OUT -> Oracle_04.sql
CREATE OR REPLACE FUNCTION FUN1 (x NUMBER(38, 18))
RETURNS NUMBER(38, 18)
LANGUAGE SQL
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "oracle",  "convertedOn": "11/13/2024",  "domain": "test" }}'
AS
$$
  WITH declaration_variables_cte1 AS
  (
    SELECT
      FUN2(pkg1.f1(X, FUN2(10) !!!RESOLVE EWI!!! /*** SSC-EWI-0073 - PENDING FUNCTIONAL EQUIVALENCE REVIEW FOR 'FUN2' NODE ***/!!!) !!!RESOLVE EWI!!! /*** SSC-EWI-0073 - PENDING FUNCTIONAL EQUIVALENCE REVIEW FOR 'pkg1.f1' NODE ***/!!!) !!!RESOLVE EWI!!! /*** SSC-EWI-0073 - PENDING FUNCTIONAL EQUIVALENCE REVIEW FOR 'FUN2' NODE ***/!!! AS
      -- FUN2 is another UDF
      VAR1
  )
  SELECT
    VAR1
  FROM
    declaration_variables_cte1
$$;

Oracle

IN -> Oracle_05.sql
--Additional Params: -t JavaScript
CREATE OR REPLACE FUNCTION FUN1(x NUMBER) RETURN NUMBER IS
  VAR1 NUMBER;
  BEGIN
    -- FUN2 is another UDF
    VAR1 := FUN2(X);
    RETURN VAR1;
  END f1;

Snowflake

OUT -> Oracle_05.sql
CREATE OR REPLACE FUNCTION FUN1 (x NUMBER(38, 18))
RETURNS NUMBER(38, 18)
LANGUAGE SQL
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "oracle",  "convertedOn": "11/13/2024",  "domain": "test" }}'
AS
$$
  WITH declaration_variables_cte1 AS
  (
    SELECT
      FUN2(X) !!!RESOLVE EWI!!! /*** SSC-EWI-0073 - PENDING FUNCTIONAL EQUIVALENCE REVIEW FOR 'FUN2' NODE ***/!!! AS
      -- FUN2 is another UDF
      VAR1
  )
  SELECT
    VAR1
  FROM
    declaration_variables_cte1
$$;

Different cases and limitations

Functions with DMLs

These functions cannot be executed in queries in Oracle, so their usage wont be limited when transforming them to Snowflake Procedures.

Oracle

IN -> Oracle_06.sql
--Additional Params: -t JavaScript
CREATE OR REPLACE FUNCTION FUN1(x NUMBER)
RETURN NUMBER IS
VAR1 NUMBER;
BEGIN
    VAR1 := VAR1 + 1;
    INSERT INTO TABLE1(col1, col2) VALUES(X, VAR1);
    UPDATE TABLE2 SET COL1 = VAR1 WHERE ID = X;
    RETURN VAR1;
END FUN1;

Snowflake

OUT -> Oracle_06.sql
--** SSC-FDM-0029 - USER DEFINED FUNCTION WAS TRANSFORMED TO SNOWFLAKE PROCEDURE **
CREATE OR REPLACE PROCEDURE FUN1 (x FLOAT)
RETURNS FLOAT
LANGUAGE JAVASCRIPT
COMMENT = '{"origin":"sf_sc","name":"snowconvert","version":{"major":1, "minor":0},"attributes":{"component":"oracle"}}'
EXECUTE AS CALLER
AS
$$
    // SnowConvert Helpers Code section is omitted.

    let VAR1;
    VAR1 = VAR1 + 1;
    // ** SSC-EWI-0022 - ONE OR MORE IDENTIFIERS IN THIS STATEMENT WERE CONSIDERED PARAMETERS BY DEFAULT. REFERENCED TABLE NOT FOUND. **
    EXEC(`INSERT INTO TABLE1(col1, col2) VALUES(?, ?)`,[X,VAR1]);
    // ** SSC-EWI-0022 - ONE OR MORE IDENTIFIERS IN THIS STATEMENT WERE CONSIDERED PARAMETERS BY DEFAULT. REFERENCED TABLE NOT FOUND. **
    EXEC(`UPDATE TABLE2
       SET COL1 = ?
       WHERE ID = ?`,[VAR1,X]);
    return VAR1;
$$;

Functions with only one SELECT INTO

These functions are transformed to Snowflake SQL functions by removing the INTO part of the select.

Oracle

IN -> Oracle_07.sql
CREATE OR REPLACE FUNCTION FUN1(PAR1 VARCHAR)
RETURN VARCHAR
IS
    VAR1 VARCHAR(20);
BEGIN
    SELECT COL1 INTO VAR1 FROM TABLE1 where col1 = PAR1;
    RETURN VAR1;
END;

Snowflake

OUT -> Oracle_07.sql
CREATE OR REPLACE FUNCTION FUN1 (PAR1 VARCHAR)
RETURNS VARCHAR
LANGUAGE SQL
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "oracle",  "convertedOn": "11/13/2024",  "domain": "test" }}'
AS
$$
    WITH declaration_variables_cte1 AS
    (
        SELECT
            (
            SELECT COL1
            FROM
                TABLE1
            where col1 = PAR1) AS VAR1
    )
    SELECT
        VAR1
    FROM
        declaration_variables_cte1
$$;

Functions with only logic

UDFs that do not use any SQL statement are converted into Snowflake JavaScript UDFs.

When SQL built-in functions are included in the logic the user defined function is converted to a Snowflake procedure. Translation for built in functions to a JavaScript equivalent is planned to be delivered in the future.

Examples for built-in functions: UPPER(), TRIM(), ABS().

Oracle

IN -> Oracle_08.sql
--Additional Params: -t JavaScript
CREATE OR REPLACE FUNCTION FUN1(x NUMBER)
RETURN NUMBER IS
VAR1 NUMBER;
BEGIN
    IF x < 5 THEN
        VAR1 := 1;   
    ELSE
        VAR1 := 0;
    END IF;
    RETURN VAR1;
END FUNC01;

Snowflake

OUT -> Oracle_08.sql
CREATE OR REPLACE FUNCTION FUN1 (x NUMBER(38, 18))
RETURNS NUMBER(38, 18)
LANGUAGE SQL
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "oracle",  "convertedOn": "11/13/2024",  "domain": "test" }}'
AS
$$
    WITH declaration_variables_cte1 AS
    (
        SELECT
            CASE
                WHEN x < 5
                    THEN 1
                ELSE 0
            END AS VAR1
    )
    SELECT
        VAR1
    FROM
        declaration_variables_cte1
$$;

Functions with more than one SQL statement

UDFs transformed into procedures cannot be called from a query.

Oracle

IN -> Oracle_09.sql
--Additional Params: -t JavaScript
CREATE OR REPLACE FUNCTION FUN1(x NUMBER)
RETURN NUMBER IS
VAR1 NUMBER;
BEGIN
    SELECT COL1 INTO VAR1 FROM TABLE1 WHERE ID = X;
    IF VAR1 < 5 THEN
        VAR1 := 1;   
    ELSE
        VAR1 := 0;
    END IF;
    UPDATE TABLE1 SET COL1 = VAR1 WHERE ID = X;
    RETURN VAR1;
END FUN1;

Snowflake

OUT -> Oracle_09.sql
--** SSC-FDM-0029 - USER DEFINED FUNCTION WAS TRANSFORMED TO SNOWFLAKE PROCEDURE **
CREATE OR REPLACE PROCEDURE FUN1 (x FLOAT)
RETURNS FLOAT
LANGUAGE JAVASCRIPT
COMMENT = '{"origin":"sf_sc","name":"snowconvert","version":{"major":1, "minor":0},"attributes":{"component":"oracle"}}'
EXECUTE AS CALLER
AS
$$
    // SnowConvert Helpers Code section is omitted.

    let VAR1;
    // ** SSC-EWI-0022 - ONE OR MORE IDENTIFIERS IN THIS STATEMENT WERE CONSIDERED PARAMETERS BY DEFAULT. REFERENCED TABLE NOT FOUND. **
    [VAR1] = EXEC(`SELECT
   COL1
FROM
   TABLE1
WHERE ID = ?`,[X]);
    if (VAR1 < 5) {
        VAR1 = 1;
    } else {
        VAR1 = 0;
    }
    // ** SSC-EWI-0022 - ONE OR MORE IDENTIFIERS IN THIS STATEMENT WERE CONSIDERED PARAMETERS BY DEFAULT. REFERENCED TABLE NOT FOUND. **
    EXEC(`UPDATE TABLE1
       SET COL1 = ?
       WHERE ID = ?`,[VAR1,X]);
    return VAR1;
$$;

Functions with only logic and built-in SQL functions

This transformation is planned to be delivery in the future, currently all functions are being transformed to stored procedures.

Oracle

IN -> Oracle_10.sql
--Additional Params: -t JavaScript
CREATE OR REPLACE FUNCTION FUN1(x FLOAT)
RETURN NUMBER IS
VAR1 NUMBER;
BEGIN
    IF TRUNC(X) < 5 THEN
        VAR1 := 1;   
    ELSE
        VAR1 := 0;
    END IF;
    RETURN VAR1;
END FUNC01;

Current transformation to Snowflake

OUT -> Oracle_10.sql
CREATE OR REPLACE FUNCTION FUN1 (x FLOAT)
RETURNS NUMBER(38, 18)
LANGUAGE SQL
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "oracle",  "convertedOn": "11/13/2024",  "domain": "test" }}'
AS
$$
    WITH declaration_variables_cte1 AS
    (
        SELECT
            CASE
                WHEN TRUNC(X) < 5
                    THEN 1
                ELSE 0
            END AS VAR1
    )
    SELECT
        VAR1
    FROM
        declaration_variables_cte1
$$;

RETURN CASE

Oracle

IN -> Oracle_11.sql
--Additional Params: -t JavaScript
CREATE OR REPLACE FUNCTION FUN1 (flag FLOAT)
RETURN NUMBER IS
BEGIN
  return CASE flag
	WHEN 1 THEN 'one'
	WHEN 2 THEN 'two'
	WHEN 3 THEN 'three'
	WHEN 4 THEN 'four'
	ELSE 'unknown' END;
END FUN1;

SnowFlake

OUT -> Oracle_11.sql
CREATE OR REPLACE FUNCTION FUN1 (flag FLOAT)
RETURNS NUMBER(38, 18)
LANGUAGE SQL
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "oracle",  "convertedOn": "11/13/2024",  "domain": "test" }}'
AS
$$
	SELECT
		CASE flag
			WHEN 1 THEN 'one'
			WHEN 2 THEN 'two'
			WHEN 3 THEN 'three'
			WHEN 4 THEN 'four'
			ELSE 'unknown' END
$$;

Known Issues

No issues were found.

Related EWIs

The functions that are converted to procedures are called using the .

The transformation is the same transformation when the CASE is use to assign a variable. You can check the in the PL/SQL section.

: One or more identifiers in this statement were considered parameters by default.

: Pending Functional Equivalence Review.

: User defined function was transformed to a Snowflake procedure.

📘
transformation reference for PL/SQL
EXEC Snowflake helper
transformation of CASE
SSC-EWI-0022
SSC-EWI-0073
SSC-FDM-0029