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When ALTER TABLE ... SET DATA TYPE affects a column referenced by constraints and indexes, it drop those constraints and indexes and recreates them afterwards, so that the definitions match the new data type. The original code did this by dropping one object at a time (commit |
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data | ||
expected | ||
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sql | ||
.gitignore | ||
GNUmakefile | ||
Makefile | ||
parallel_schedule | ||
pg_regress_main.c | ||
pg_regress.c | ||
pg_regress.h | ||
README | ||
regress.c | ||
regressplans.sh | ||
resultmap | ||
serial_schedule | ||
standby_schedule |
Documentation concerning how to run these regression tests and interpret the results can be found in the PostgreSQL manual, in the chapter "Regression Tests".