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Allowed UK to be created on nullable columns (SQL-99 spec).
The index management code isn't ready for this yet, but appropriate changes will follow shortly.
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@ -258,7 +258,7 @@ void DYN_define_constraint(GBL gbl,
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int all_count, unique_count;
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LLS field_list = NULL, list_ptr;
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STR str_;
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USHORT found, foreign_flag = FALSE, not_null;
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USHORT found, primary_flag = FALSE, foreign_flag = FALSE, not_null;
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UCHAR ri_action = 0;
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tdbb = GET_THREAD_DATA;
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@ -292,6 +292,7 @@ void DYN_define_constraint(GBL gbl,
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switch (verb = *(*ptr)++)
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{
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case gds_dyn_def_primary_key:
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primary_flag = TRUE;
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strcpy(CRT.RDB$CONSTRAINT_TYPE, PRIMARY_KEY);
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break;
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@ -419,7 +420,7 @@ void DYN_define_constraint(GBL gbl,
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if ((FLX.RDB$NULL_FLAG.NULL || !FLX.RDB$NULL_FLAG) &&
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(RFR.RDB$NULL_FLAG.NULL || !RFR.RDB$NULL_FLAG) &&
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(foreign_flag == FALSE)) {
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(primary_flag == TRUE)) {
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not_null = FALSE;
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DYN_terminate(RFR.RDB$FIELD_NAME, sizeof(RFR.RDB$FIELD_NAME));
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strcpy(null_field_name, RFR.RDB$FIELD_NAME);
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