| 1 | /*------------------------------------------------------------------------- | 
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| 2 | * | 
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| 3 | * spccache.h | 
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| 4 | *	  Tablespace cache. | 
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| 5 | * | 
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| 6 | * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group | 
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| 7 | * Portions Copyright (c) 1994, Regents of the University of California | 
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| 8 | * | 
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| 9 | * src/include/utils/spccache.h | 
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| 10 | * | 
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| 11 | *------------------------------------------------------------------------- | 
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| 12 | */ | 
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| 13 | #ifndef SPCCACHE_H | 
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| 14 | #define SPCCACHE_H | 
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| 15 |  | 
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| 16 | void		get_tablespace_page_costs(Oid spcid, float8 *spc_random_page_cost, | 
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| 17 | float8 *spc_seq_page_cost); | 
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| 18 | int			get_tablespace_io_concurrency(Oid spcid); | 
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| 19 |  | 
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| 20 | #endif							/* SPCCACHE_H */ | 
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| 21 |  | 
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