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[jOOQ/jOOQ#9557] Add support for ALTER TABLE .. DROP CONSTRAINT IF

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EXISTS

- Added parser support
This commit is contained in:
Lukas Eder 2019-11-18 11:27:19 +01:00
parent fa21941e6e
commit 8461680d28
1 changed files with 4 additions and 3 deletions
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7
jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
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@ -3791,7 +3791,9 @@ final class ParserImpl implements Parser {
case 'D':
if (parseKeywordIf(ctx, "DROP")) {
if (parseKeywordIf(ctx, "CONSTRAINT")) {
return parseCascadeRestrictIf(ctx, s1.dropConstraint(parseIdentifier(ctx)));
return parseCascadeRestrictIf(ctx, parseKeywordIf(ctx, "IF EXISTS")
? s1.dropConstraintIfExists(parseIdentifier(ctx))
: s1.dropConstraint(parseIdentifier(ctx)));
}
else if (parseKeywordIf(ctx, "UNIQUE")) {
return parseCascadeRestrictIf(ctx, s1.dropUnique(parseIdentifier(ctx)));
@ -3805,8 +3807,7 @@ final class ParserImpl implements Parser {
}
else if (parseKeywordIf(ctx, "INDEX")
|| parseKeywordIf(ctx, "KEY")) {
Name index = parseIdentifier(ctx);
return ctx.dsl.dropIndex(index).on(tableName);
return ctx.dsl.dropIndex(parseIdentifier(ctx)).on(tableName);
}
else {
parseKeywordIf(ctx, "COLUMN");