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doc that DEFERRABILITY now handled
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@ -1716,10 +1716,12 @@ B<DELETE_RULE>:
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The referential action for the DELETE rule.
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The codes are the same as for UPDATE_RULE.
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Unfortunately, the B<DEFERRABILITY> field is always C<undef>;
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as a matter of fact, deferrability clauses are supported by SQLite,
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but they can't be reported because the C<PRAGMA foreign_key_list>
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tells nothing about them.
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B<DEFERRABILITY>:
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The following codes are defined:
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INITIALLY DEFERRED 5
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INITIALLY IMMEDIATE 6
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NOT DEFERRABLE 7
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B<UNIQUE_OR_PRIMARY>:
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Whether the column is primary or unique.
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