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[jOOQ/jOOQ#9775] Support parsing single-argument TRUNC() function

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This commit is contained in:
Lukas Eder 2020-09-17 15:12:23 +02:00
parent adfe73eb68
commit 5cd9254af0
1 changed files with 34 additions and 26 deletions
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60
jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
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@ -7877,36 +7877,44 @@ final class ParserImpl implements Parser {
if (parseFunctionNameIf(ctx, "TRUNC")) {
parse(ctx, '(');
Field<?> arg1 = parseField(ctx);
parse(ctx, ',');
String part;
if ((part = parseStringLiteralIf(ctx)) != null) {
part = part.toUpperCase();
if (parseIf(ctx, ',')) {
DatePart p;
if ("YY".equals(part) || "YYYY".equals(part) || "YEAR".equals(part))
p = DatePart.YEAR;
else if ("MM".equals(part) || "MONTH".equals(part))
p = DatePart.MONTH;
else if ("DD".equals(part))
p = DatePart.DAY;
else if ("HH".equals(part))
p = DatePart.HOUR;
else if ("MI".equals(part))
p = DatePart.MINUTE;
else if ("SS".equals(part))
p = DatePart.SECOND;
else
throw ctx.exception("Unsupported date part");
String part;
if ((part = parseStringLiteralIf(ctx)) != null) {
part = part.toUpperCase();
parse(ctx, ')');
return DSL.trunc((Field) arg1, p);
}
else {
Field<?> arg2 = toField(ctx, parseNumericOp(ctx, N));
parse(ctx, ')');
return DSL.trunc((Field) arg1, (Field) arg2);
DatePart p;
if ("YY".equals(part) || "YYYY".equals(part) || "YEAR".equals(part))
p = DatePart.YEAR;
else if ("MM".equals(part) || "MONTH".equals(part))
p = DatePart.MONTH;
else if ("DD".equals(part))
p = DatePart.DAY;
else if ("HH".equals(part))
p = DatePart.HOUR;
else if ("MI".equals(part))
p = DatePart.MINUTE;
else if ("SS".equals(part))
p = DatePart.SECOND;
else
throw ctx.exception("Unsupported date part");
parse(ctx, ')');
return DSL.trunc((Field) arg1, p);
}
else {
Field<?> arg2 = toField(ctx, parseNumericOp(ctx, N));
parse(ctx, ')');
return DSL.trunc((Field) arg1, (Field) arg2);
}
}
parse(ctx, ')');
if (arg1.getDataType().isDateTime())
return DSL.trunc((Field) arg1, DatePart.DAY);
else
return DSL.trunc((Field) arg1);
}
return null;