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Support for the FOR TIMESTAMP query hint #36566

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Merged
merged 1 commit into from
Sep 15, 2025
Merged

Support for the FOR TIMESTAMP query hint #36566

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1 change: 1 addition & 0 deletions parser/sql/engine/dialect/sqlserver/src/main/antlr4/imports/sqlserver/DMLStatement.g4
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Original file line number Diff line number Diff line change
Expand Up @@ -351,6 +351,7 @@ queryHint
| USE HINT LP_ useHitName (COMMA_ useHitName)* RP_
| USE PLAN NCHAR_TEXT
| LABEL EQ_ stringLiterals
| FOR TIMESTAMP AS OF stringLiterals
;

optimizeForParameter
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9 changes: 9 additions & 0 deletions test/it/parser/src/main/resources/case/dml/select.xml
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Expand Up @@ -11760,4 +11760,13 @@
<simple-table name="Person" start-index="14" stop-index="19" />
</from>
</select>

<select sql-case-id="select_for_timestamp_as_of_hint">
<projections start-index="7" stop-index="7">
<shorthand-projection start-index="7" stop-index="7" />
</projections>
<from>
<simple-table name="Person" start-index="14" stop-index="19" />
</from>
</select>
</sql-parser-test-cases>
1 change: 1 addition & 0 deletions test/it/parser/src/main/resources/sql/supported/dml/select.xml
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Expand Up @@ -374,4 +374,5 @@
<sql-case id="select_fast_hint" value="SELECT * FROM Person OPTION (HASH GROUP, FAST 10);" db-types="SQLServer"/>
<sql-case id="select_use_hint" value="SELECT * FROM Person OPTION (RECOMPILE, USE HINT ('ASSUME_MIN_SELECTIVITY_FOR_FILTER_ESTIMATES', 'DISABLE_PARAMETER_SNIFFING'));" db-types="SQLServer"/>
<sql-case id="select_maxdop_hint" value="SELECT * FROM Person OPTION (MAXDOP 2);" db-types="SQLServer"/>
<sql-case id="select_for_timestamp_as_of_hint" value="SELECT * FROM Person OPTION (FOR TIMESTAMP AS OF '2024-03-13T19:39:35.28');" db-types="SQLServer"/>
</sql-cases>