Fix DATE_TRUNC with GROUP BY parameter binding #9122
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Two issues fixed:
1. Added 'date_trunc' and 'date_part' to funcs_with_text_args so their
text precision argument ('month', 'year', etc.) is correctly typed.
2. Fixed remap_arguments in pg_ext.pyx to use extra_blobs() instead of
variables(). The variables() method returns a deduplicated dict, but
when the same literal appears multiple times (e.g., DATE_TRUNC in both
SELECT and GROUP BY), we need all occurrences. This matches the pattern
used in args_ser.pyx.
Closes geldata#9118
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Made sure the test was real this time and actually fails and succeeds as expected.
Two issues fixed:
Added 'date_trunc' and 'date_part' to funcs_with_text_args so their text precision argument ('month', 'year', etc.) is correctly typed.
Fixed remap_arguments in pg_ext.pyx to use extra_blobs() instead of variables(). The variables() method returns a deduplicated dict, but when the same literal appears multiple times (e.g., DATE_TRUNC in both SELECT and GROUP BY), we need all occurrences. This matches the pattern used in args_ser.pyx.
Closes #9118