ec646dbc65
datatype by array_eq and array_cmp; use this to solve problems with memory leaks in array indexing support. The parser's equality_oper and ordering_oper routines also use the cache. Change the operator search algorithms to look for appropriate btree or hash index opclasses, instead of assuming operators named '<' or '=' have the right semantics. (ORDER BY ASC/DESC now also look at opclasses, instead of assuming '<' and '>' are the right things.) Add several more index opclasses so that there is no regression in functionality for base datatypes. initdb forced due to catalog additions.
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/*
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* cash.h
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* Written by D'Arcy J.M. Cain
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*
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* Functions to allow input and output of money normally but store
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* and handle it as int4.
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*/
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#ifndef CASH_H
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#define CASH_H
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/* if we store this as 4 bytes, we better make it int, not long, bjm */
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typedef int32 Cash;
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extern Datum cash_in(PG_FUNCTION_ARGS);
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extern Datum cash_out(PG_FUNCTION_ARGS);
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extern Datum cash_recv(PG_FUNCTION_ARGS);
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extern Datum cash_send(PG_FUNCTION_ARGS);
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extern Datum cash_eq(PG_FUNCTION_ARGS);
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extern Datum cash_ne(PG_FUNCTION_ARGS);
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extern Datum cash_lt(PG_FUNCTION_ARGS);
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extern Datum cash_le(PG_FUNCTION_ARGS);
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extern Datum cash_gt(PG_FUNCTION_ARGS);
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extern Datum cash_ge(PG_FUNCTION_ARGS);
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extern Datum cash_cmp(PG_FUNCTION_ARGS);
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extern Datum cash_pl(PG_FUNCTION_ARGS);
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extern Datum cash_mi(PG_FUNCTION_ARGS);
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extern Datum cash_mul_flt8(PG_FUNCTION_ARGS);
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extern Datum cash_div_flt8(PG_FUNCTION_ARGS);
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extern Datum flt8_mul_cash(PG_FUNCTION_ARGS);
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extern Datum cash_mul_flt4(PG_FUNCTION_ARGS);
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extern Datum cash_div_flt4(PG_FUNCTION_ARGS);
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extern Datum flt4_mul_cash(PG_FUNCTION_ARGS);
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extern Datum cash_mul_int4(PG_FUNCTION_ARGS);
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extern Datum cash_div_int4(PG_FUNCTION_ARGS);
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extern Datum int4_mul_cash(PG_FUNCTION_ARGS);
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extern Datum cash_mul_int2(PG_FUNCTION_ARGS);
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extern Datum int2_mul_cash(PG_FUNCTION_ARGS);
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extern Datum cash_div_int2(PG_FUNCTION_ARGS);
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extern Datum cashlarger(PG_FUNCTION_ARGS);
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extern Datum cashsmaller(PG_FUNCTION_ARGS);
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extern Datum cash_words(PG_FUNCTION_ARGS);
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#endif /* CASH_H */
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