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Add a new requirement mark for CAST expressions.

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FossilOrigin-Name: bee2859b953c935c413de2917588159d03c672d9
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drh
2016-11-22 20:29:05 +00:00
parent 50da663516
commit e74cc5c9bc
3 changed files with 14 additions and 7 deletions
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7
test/e_expr.test
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@ -1437,6 +1437,13 @@ do_expr_test e_expr-27.2.2 { CAST(NULL AS text) } null {}
do_expr_test e_expr-27.2.3 { CAST(NULL AS blob) } null {}
do_expr_test e_expr-27.2.4 { CAST(NULL AS number) } null {}
# EVIDENCE-OF: R-29283-15561 Otherwise, the storage class of the result
# is determined by applying the rules for determining column affinity to
# the type-name.
#
# The R-29283-15561 requirement above is demonstrated by all of the
# subsequent e_expr-26 tests.
#
# EVIDENCE-OF: R-43522-35548 Casting a value to a type-name with no
# affinity causes the value to be converted into a BLOB.
#