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[jOOQ/jOOQ#14738] Add parser support for Snowflake's EQUAL_NULL function

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This commit is contained in:
Lukas Eder 2023-03-02 09:36:04 +01:00
parent e3e7670562
commit b959830be9
1 changed files with 24 additions and 9 deletions
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33
jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
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@ -6513,7 +6513,9 @@ final class DefaultParseContext extends AbstractScope implements ParseContext {
break;
case 'E':
if (parseKeywordIf("EXISTS"))
if (parseFunctionNameIf("EQUAL_NULL"))
return parseEqualNull();
else if (parseKeywordIf("EXISTS"))
return exists(parseParenthesised(c -> parseWithOrSelect()));
break;
@ -6613,16 +6615,13 @@ final class DefaultParseContext extends AbstractScope implements ParseContext {
break;
}
FieldOrRow left;
boolean notOp = false;
FieldOrRow left = parseConcat();
int p = position();
boolean not = parseKeywordIf("NOT");
boolean isField = left instanceof Field;
Comparator comp;
TSQLOuterJoinComparator outer;
boolean not;
boolean notOp = false;
left = parseConcat();
int p = position();
not = parseKeywordIf("NOT");
boolean isField = left instanceof Field;
if (!not && !ignoreProEdition() && ((outer = parseTSQLOuterJoinComparatorIf()) != null) && requireProEdition()) {
@ -6863,6 +6862,22 @@ final class DefaultParseContext extends AbstractScope implements ParseContext {
}
}
private final Condition parseEqualNull() {
Condition result;
parse('(');
FieldOrRow left = parseConcat();
parse(',');
if (left instanceof Field f)
result = f.isNotDistinctFrom((Field) toField(parseConcat()));
else
result = new RowIsDistinctFrom((Row) left, parseRow(((Row) left).size(), true), true);
parse(')');
return result;
}
private final Condition parsePredicateXMLExistsIf() {
if (parseKeywordIf("XMLEXISTS")) {
parse('(');