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Query: Remove implicit convert nodes in query to avoid unnecessary cast in generated SQL #15954

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merged 1 commit into from
Jun 5, 2019

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Enable BuiltInDataTypeTests

  • Preserve convert nodes around parameters/constants in parameter extracting.
  • While translating to Sql, remove implicit convert nodes. Implicit convert nodes appear only for binary expressions since equality operators are not defined for all types
  • Apply explicit cast in SQL only when converted type is mapped.
  • Convert int value to enum value before printing literal (how old pipeline did it)

Resolves #14159
Resolves #15330
Resolves #15948

Supersedes type inference changes in #15820

…st in generated SQL

Enable BuiltInDataTypeTests
- Preserve convert nodes around parameters/constants in parameter extracting.
- While translating to Sql, remove implicit convert nodes. Implicit convert nodes appear only for binary expressions since equality operators are not defined for all types
- Apply explicit cast in SQL only when converted type is mapped.
- Convert int value to enum value before printing literal (how old pipeline did it)

Resolves #14159
Resolves #15330
Resolves #15948
@smitpatel smitpatel requested review from ajcvickers, maumar and roji June 5, 2019 01:07
@smitpatel smitpatel merged commit 7f7130a into master Jun 5, 2019
@ghost ghost deleted the smit/typeinference branch June 5, 2019 19:53
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