[Feature][Transform] support boolean type for sql transform #9136
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seatunnel-transforms-v2/src/test/java/org/apache/seatunnel/transform/sql/SQLTransformTest.java:321
- [nitpick] Consider renaming the test method to 'testCaseWhenBooleanClausesWithField' for clarity and consistency with naming conventions.
public void tesCaseWhenBooleanClausesWithField() {
seatunnel-transforms-v2/src/test/java/org/apache/seatunnel/transform/sql/SQLTransformTest.java:356
- [nitpick] Consider renaming the test method to 'testCastBooleanClausesWithField' for clarity and consistency with naming conventions.
public void tesCastBooleanClausesWithField() {
...forms-v2/src/main/java/org/apache/seatunnel/transform/sql/zeta/functions/SystemFunction.java
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hawk9821
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cc @hailin0 |
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Please update the doc. |
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| if (("true".equalsIgnoreCase(columnExp.getColumnName()) | ||
| || "false".equalsIgnoreCase(columnExp.getColumnName())) | ||
| && ("CaseWhenExpression".equalsIgnoreCase(node.toString()))) { | ||
| return Boolean.parseBoolean(columnExp.getColumnName()); | ||
| } |
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Why not directly return StringValue in here? Then parse it to boolean in cast method.
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| Node node = columnExp.getASTNode().jjtGetParent(); | ||
| if (("true".equalsIgnoreCase(columnExp.getColumnName()) | ||
| || "false".equalsIgnoreCase(columnExp.getColumnName())) | ||
| && ("CaseWhenExpression".equalsIgnoreCase(node.toString()))) { | ||
| return BasicType.BOOLEAN_TYPE; | ||
| } |
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Purpose of this pull request
support boolean type for sql transform. eg:
select ( case when
col1= 'a' then true else false end ) asbool_1, cast(col2as boolean) asbool_2asbool_2from dualnote:
cast column value must is (1,0) or ('true','false')
Does this PR introduce any user-facing change?
How was this patch tested?
Check list
New License Guide
release-note.