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[jOOQ/jOOQ#10248] Wrong emulation of EXTRACT() with DECADE, CENTURY, MILLENIUM date parts

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This commit is contained in:
Lukas Eder 2020-06-04 17:00:45 +02:00
parent 44f72c34cb
commit 1d2a24b516
1 changed files with 10 additions and 5 deletions
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15
jOOQ/src/main/java/org/jooq/impl/Extract.java
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@ -429,27 +429,32 @@ final class Extract extends AbstractField<Integer> {
private final void acceptDefaultEmulation(Context<?> ctx) {
switch (datePart) {
case DECADE:
ctx.visit(castIfNeeded(DSL.year(field).div(inline(10)), INTEGER));
ctx.visit(DSL.floor(DSL.year(field).div(inline(10))));
break;
case CENTURY:
ctx.visit(castIfNeeded(
ctx.visit(DSL.floor(
DSL.sign(DSL.year(field))
.mul(DSL.abs(DSL.year(field)).add(inline(99)))
.div(inline(100)), INTEGER));
.div(inline(100))));
break;
case MILLENNIUM:
ctx.visit(castIfNeeded(
ctx.visit(DSL.floor(
DSL.sign(DSL.year(field))
.mul(DSL.abs(DSL.year(field)).add(inline(999)))
.div(inline(1000)), INTEGER));
.div(inline(1000))));
break;
case QUARTER:
ctx.visit(DSL.floor(DSL.month(field).add(inline(2)).div(inline(3))));
break;
case TIMEZONE:
ctx.visit(DSL.extract(field, DatePart.TIMEZONE_HOUR).mul(inline(3600))
.add(DSL.extract(field, DatePart.TIMEZONE_MINUTE).mul(inline(60))));
break;
default:
acceptNativeFunction(ctx);
break;