normanj-bitquill commented on code in PR #3801:
URL: https://github.com/apache/calcite/pull/3801#discussion_r1687154924
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core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java:
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@@ -563,11 +563,86 @@ static RelDataType deriveTypeSplit(SqlOperatorBinding
operatorBinding,
OperandTypes.STRING_STRING_OPTIONAL_INTEGER_OPTIONAL_INTEGER_OPTIONAL_INTEGER,
SqlFunctionCategory.STRING);
- /** The "REGEXP_REPLACE(value, regexp, rep [, pos [, occurrence [,
matchType]]])"
+ /** The "REGEXP_REPLACE(value, regexp)"
* function. Replaces all substrings of value that match regexp with
* {@code rep} and returns modified value. */
- @LibraryOperator(libraries = {BIG_QUERY, MYSQL, ORACLE, REDSHIFT})
- public static final SqlFunction REGEXP_REPLACE = new
SqlRegexpReplaceFunction();
+ @LibraryOperator(libraries = {POSTGRESQL})
+ public static final SqlFunction REGEXP_REPLACE_2 =
+ new SqlBasicFunction("REGEXP_REPLACE", SqlKind.OTHER_FUNCTION,
+ SqlSyntax.FUNCTION, true, ReturnTypes.VARCHAR_NULLABLE, null,
+ OperandHandlers.DEFAULT, OperandTypes.STRING_STRING, 0,
+ SqlFunctionCategory.STRING, call -> SqlMonotonicity.NOT_MONOTONIC,
false) { };
+
+ /** The "REGEXP_REPLACE(value, regexp, rep)"
+ * function. Replaces all substrings of value that match regexp with
+ * {@code rep} and returns modified value. */
+ @LibraryOperator(libraries = {MYSQL, ORACLE, REDSHIFT})
+ public static final SqlFunction REGEXP_REPLACE_3 =
+ SqlBasicFunction.create("REGEXP_REPLACE", ReturnTypes.VARCHAR_NULLABLE,
+ OperandTypes.STRING_STRING_STRING, SqlFunctionCategory.STRING);
+
+ /** The "REGEXP_REPLACE(value, regexp, rep, pos)"
+ * function. Replaces all substrings of value that match regexp with
+ * {@code rep} and returns modified value. */
+ @LibraryOperator(libraries = {MYSQL, ORACLE, REDSHIFT})
+ public static final SqlFunction REGEXP_REPLACE_4 =
+ new SqlBasicFunction("REGEXP_REPLACE", SqlKind.OTHER_FUNCTION,
+ SqlSyntax.FUNCTION, true, ReturnTypes.VARCHAR_NULLABLE, null,
+ OperandHandlers.DEFAULT, OperandTypes.family(SqlTypeFamily.STRING,
SqlTypeFamily.STRING,
+ SqlTypeFamily.STRING, SqlTypeFamily.INTEGER),
+ 0, SqlFunctionCategory.STRING, call ->
SqlMonotonicity.NOT_MONOTONIC, false) { };
+
+ /** The "REGEXP_REPLACE(value, regexp, rep, pos, occurrence)"
+ * function. Replaces all substrings of value that match regexp with
Review Comment:
Added comments for each of the arguments.
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