Accept ROW(...) as a SQL-standard alias for Tuple(...)#106265
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shreyasganesh0 wants to merge 1 commit into
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Accept ROW(...) as a SQL-standard alias for Tuple(...)#106265shreyasganesh0 wants to merge 1 commit into
shreyasganesh0 wants to merge 1 commit into
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Register ROW as a case-insensitive type-family alias for Tuple so that
standard-SQL / PostgreSQL spellings such as
CAST((1, 'a') AS ROW(x INTEGER, y VARCHAR(10)))
CREATE TABLE t (r ROW(id INTEGER, name VARCHAR(20))) ENGINE = Memory
are accepted, mirroring the existing INTEGER->Int32 / NUMERIC->Decimal
aliases. Named-element access on the resulting tuple already works.
Closes ClickHouse#105954.
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Changelog entry (a user-readable short description of the changes that goes into CHANGELOG.md):
Accept
ROW(name type, ...)as a SQL-standard alias forTuple(name type, ...)in type expressions (CAST, column DDL), for PostgreSQL compatibility.Documentation entry for user-facing changes
Closes #105954.
ROW(...)is now accepted anywhere a type is expected, as a case-insensitive alias forTuple(...):Implemented as a single
registerAlias("ROW", "Tuple", Case::Insensitive)inregisterDataTypeTuple, mirroring the existingNUMERIC→Decimal/INTEGER→Int32aliases. Named-element access on the resulting tuple already works. Covered by a new stateless test04299_row_tuple_type_alias.