Revision 14253
Added by Aaron Marcuse-Kubitza over 10 years ago
| util.sql | ||
|---|---|---|
| 1850 | 1850 |
LANGUAGE sql STABLE |
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AS $$ |
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SELECT |
| 1853 |
util.check_constraint_enabled(def.col::util.table_item) -- already enabled |
|
| 1854 |
OR NOT util.table_has_data((def).col.table_) -- empty, so would always pass |
|
| 1853 |
-- expr not changing and constraint already enabled |
|
| 1854 |
def.expr IS NOT DISTINCT FROM util.derived_col_expr(def.col) |
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AND util.check_constraint_enabled(def.col::util.table_item) |
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OR |
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| 1857 |
NOT util.table_has_data((def).col.table_) -- empty, so would always pass |
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| 1855 | 1858 |
$$; |
| 1856 | 1859 |
|
| 1857 | 1860 |
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Also available in: Unified diff
bugfix: derived_col_constraint_initially_enabled(): must be both already enabled and unchanged to be initially enabled (r14240 was only partially correct)