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| File: [pgFoundry] / uint / uint / sql / bit_ops.sql (download)
Revision 1.1, Mon Sep 29 04:54:00 2008 UTC (23 months ago) by rbrad
Initial checking for the unsigned integer data type. |
-- uint1 bit operations SELECT 0::uint1 & 15::uint1; SELECT 85::uint1 & 15::uint1; SELECT 170::uint1 & 15::uint1; SELECT 255::uint1 & 15::uint1; SELECT 0::uint1 | 85::uint1; SELECT 85::uint1 | 170::uint1; SELECT 0::uint1 | 255::uint1; SELECT 0::uint1 | 85::uint1; SELECT 85::uint1 | 170::uint1; SELECT 0::uint1 | 255::uint1; SELECT 0::uint1 # 85::uint1; SELECT 85::uint1 # 170::uint1; SELECT 0::uint1 # 255::uint1; SELECT ~0::uint1; SELECT ~170::uint1; SELECT ~255::uint1; SELECT 0::uint1 >> 4; SELECT 170::uint1 >> 4; SELECT 255::uint1 >> 4; SELECT 0::uint1 << 4; SELECT 170::uint1 << 4; SELECT 255::uint1 << 4; -- uint2 comparision operations SELECT 0::uint2 & 255::uint2; SELECT 21845::uint2 & 255::uint2; SELECT 43690::uint2 & 255::uint2; SELECT 65535::uint2 & 255::uint2; SELECT 0::uint2 | 21845::uint2; SELECT 21845::uint2 | 43690::uint2; SELECT 0::uint2 | 65535::uint2; SELECT 0::uint2 # 21845::uint2; SELECT 21845::uint2 # 43690::uint2; SELECT 0::uint2 # 65535::uint2; SELECT ~0::uint2; SELECT ~43690::uint2; SELECT ~65535::uint2; SELECT 0::uint2 >> 8; SELECT 43690::uint2 >> 8; SELECT 65535::uint2 >> 8; SELECT 0::uint2 << 8; SELECT 43690::uint2 << 8; SELECT 65535::uint2 << 8; -- uint4 comparision operations SELECT 0::uint4 & 65535::uint4; SELECT 1431655767::uint4 & 65535::uint4; SELECT 2863311530::uint4 & 65535::uint4; SELECT 4294967295::uint4 & 65535::uint4; SELECT 0::uint4 | 1431655767::uint4; SELECT 1431655767::uint4 | 2863311530::uint4; SELECT 0::uint4 | 4294967295::uint4; SELECT 0::uint4 # 1431655767::uint4; SELECT 1431655767::uint4 # 2863311530::uint4; SELECT 0::uint4 # 4294967295::uint4; SELECT ~0::uint4; SELECT ~2863311530::uint4; SELECT ~4294967295::uint4; SELECT 0::uint4 >> 16; SELECT 2863311530::uint4 >> 16; SELECT 4294967295::uint4 >> 16; SELECT 0::uint4 << 16; SELECT 2863311530::uint4 << 16; SELECT 4294967295::uint4 << 16;