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| author | Peter Eisentraut <peter@eisentraut.org> | 2021-09-15 18:56:13 +0200 |
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| committer | Peter Eisentraut <peter@eisentraut.org> | 2021-09-15 18:56:13 +0200 |
| commit | 6fe0eb963d3894ae9b0b6e151083887b664d45a3 (patch) | |
| tree | ff5b9f5144c7a0b702b6552a46fbe2e442103c65 /src/backend/utils/adt/ruleutils.c | |
| parent | 1316be28664f1834ac091113217537101331bdf3 (diff) | |
| download | postgresql-6fe0eb963d3894ae9b0b6e151083887b664d45a3.tar.gz postgresql-6fe0eb963d3894ae9b0b6e151083887b664d45a3.zip | |
Add Cardinality typedef
Similar to Cost and Selectivity, this is just a double, which can be
used in path and plan nodes to give some hint about the meaning of a
field.
Discussion: https://www.postgresql.org/message-id/c091e5cd-45f8-69ee-6a9b-de86912cc7e7@enterprisedb.com
Diffstat (limited to 'src/backend/utils/adt/ruleutils.c')
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