sql: disallow cross-database type references in CTAS #105579
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Fixes: cockroachdb#105393 Release note (bug fix): reviously, cross-database type references could sneaked in through `CREATE TABLE...AS` statements if the source table is from another database and any of its columns is of a user defined type. This introduced bug where the source table can be dropped and type could not be found for the CTAS table. This commit disallow such CTAS as a fix.
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chengxiong-ruan
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backport-22.2.x
backport-23.1.x
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This was referenced Jun 27, 2023
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Fixes: #105393
Release note (bug fix): reviously, cross-database type references could sneaked in through
CREATE TABLE...ASstatements if the source table is from another database and any of its columns is of a user defined type. This introduced bug where the source table can be dropped and type could not be found for the CTAS table. This commit disallow such CTAS as a fix.