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Make paging cursor expr. builders work with MSSQL

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This commit is contained in:
Tomaž Jerman
2022-12-14 15:47:39 +01:00
committed by Jože Fortun
parent a5e5e15296
commit 771c87548a
2 changed files with 35 additions and 14 deletions
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server/pkg/filter/pagination.go
+21 -10
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@@ -345,11 +345,26 @@ func (cur *PagingCursor) ToAST(identLookup func(i string) (string, error), castF
false: "gt",
}
isValueNull = func(i int, neg bool) expr.TypedValue {
if (reflect2.IsNil(vv[i]) && !neg) || (!reflect2.IsNil(vv[i]) && neg) {
return expr.Must(expr.NewBoolean(true))
// Modifying this function to use expressions instead of constant boolean
// values because MSSQL doesn't have those.
//
// @todo rethink and redo the whole/all of the filtering logic surrounding paging
// cursors to make them consistent/reusable
isValueNull = func(i int, neg bool) *ql.ASTNode {
out := &ql.ASTNode{
Ref: "eq",
Args: ql.ASTNodeSet{{
Value: ql.MakeValueOf("Integer", 1),
}},
}
return expr.Must(expr.NewBoolean(false))
if (reflect2.IsNil(vv[i]) && !neg) || (!reflect2.IsNil(vv[i]) && neg) {
// Makes the expr. true
out.Args = append(out.Args, &ql.ASTNode{Value: ql.MakeValueOf("Integer", 1)})
}
// Makes the expr false
out.Args = append(out.Args, &ql.ASTNode{Value: ql.MakeValueOf("Integer", 0)})
return out
}
)
@@ -412,9 +427,7 @@ func (cur *PagingCursor) ToAST(identLookup func(i string) (string, error), castF
},
},
},
&ql.ASTNode{
Value: ql.WrapValue(isValueNull(i, false)),
},
isValueNull(i, false),
},
},
},
@@ -465,9 +478,7 @@ func (cur *PagingCursor) ToAST(identLookup func(i string) (string, error), castF
},
},
},
&ql.ASTNode{
Value: ql.WrapValue(isValueNull(i, false)),
},
isValueNull(i, false),
},
},