Github user jiadexin commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/695#discussion_r66714047
--- Diff: src/backend/access/external/pxffilters.c ---
@@ -125,7 +126,48 @@ dbop_pxfop_map pxf_supported_opr[] =
{1871 /* int82gt */, PXFOP_GT},
{1872 /* int82le */, PXFOP_LE},
{1873 /* int82ge */, PXFOP_GE},
- {1869 /* int82ne */, PXFOP_NE}
+ {1869 /* int82ne */, PXFOP_NE},
+
+ /**************FLOAT****************/
+ /* float4 */
+ {Float4EqualOperator /* float4eq */, PXFOP_EQ},
+ {622 /* float4lt */, PXFOP_LT},
+ {623 /* float4gt */, PXFOP_GT},
+ {624 /* float4le */, PXFOP_LE},
+ {625 /* float4ge */, PXFOP_GE},
+ {621 /* float4ne */, PXFOP_NE},
+
+ /* float8 */
+ {Float8EqualOperator /* float8eq */, PXFOP_EQ},
+ {672 /* float8lt */, PXFOP_LT},
+ {674 /* float8gt */, PXFOP_GT},
+ {673 /* float8le */, PXFOP_LE},
+ {675 /* float8ge */, PXFOP_GE},
+ {671 /* float8ne */, PXFOP_NE},
+
+ /* float48 */
--- End diff --
When using HAWQ PXF read relational database, FLOAT is a very common type,
and often used in conditional expressions. So I added FLOAT operators .
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