TO_CHAR

Date function

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Description

TO_CHAR converts a timestamp or numeric expression to a character-string data format. (Redshift SQL Language Reference TO_CHAR function)

This function is partially supported in Snowflake.

For more information about quoted identifiers in functions, click here.

Grammar Syntax

TO_CHAR(timestamp_expression | numeric_expression , 'format')

Sample Source Patterns

Input Code:

Redshift

IN -> Redshift_01.sql

SELECT TO_CHAR(timestamp '2009-12-31 23:15:59', 'YYYY'),
       TO_CHAR(timestamp '2009-12-31 23:15:59', 'YYY'),
       TO_CHAR(timestamp '2009-12-31 23:15:59', 'TH'),
       "to_char"(timestamp '2009-12-31 23:15:59', 'MON-DY-DD-YYYY HH12:MIPM'),
       TO_CHAR(125.8, '999.99'),
       "to_char"(125.8, '999.99');

Results

Output Code:

Snowflake

OUT -> Redshift_01.sql

SELECT
       TO_CHAR(timestamp '2009-12-31 23:15:59', 'YYYY'),
       PUBLIC.YEAR_PART_UDF(timestamp '2009-12-31 23:15:59', 3),
       TO_CHAR(timestamp '2009-12-31 23:15:59', 'TH') !!!RESOLVE EWI!!! /*** SSC-EWI-0006 - TH FORMAT MAY FAIL OR MAY HAVE A DIFFERENT BEHAVIOR IN SNOWFLAKE. ***/!!!,
       PUBLIC.MONTH_SHORT_UDF(timestamp '2009-12-31 23:15:59', 'uppercase') || '-' || PUBLIC.DAYNAME_SHORT_UDF(timestamp '2009-12-31 23:15:59', 'uppercase') || TO_CHAR(timestamp '2009-12-31 23:15:59', '-DD-YYYY HH12:MI') || PUBLIC.MERIDIAN_INDICATORS_UDF(timestamp '2009-12-31 23:15:59', 'uppercase'),
       TO_CHAR(125.8, '999.99'),
       TO_CHAR(125.8, '999.99');

Results

Known Issues

No issues were found.

Related EWIs

• SSC-EWI-0006: The current date/numeric format may have a different behavior in Snowflake.