mirror of
https://github.com/featurebasedb/featurebase.git
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284f62dcb9
* create function, create/drop model; re-introduced limit; added COPY; var(); corr() * review feedback
71 lines
2.2 KiB
Go
71 lines
2.2 KiB
Go
package planner
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import (
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"github.com/featurebasedb/featurebase/v3/sql3"
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"github.com/featurebasedb/featurebase/v3/sql3/parser"
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)
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func (p *ExecutionPlanner) analyzeUserDefinedFunction(call *parser.Call, scope parser.Statement, function *functionSystemObject) (parser.Expr, error) {
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// TODO(pok) removing user defined functions for now
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// // hard code to 1 string parameter
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// if len(call.Args) != 1 {
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// return nil, sql3.NewErrCallParameterCountMismatch(call.Rparen.Line, call.Rparen.Column, call.Name.Name, 2, len(call.Args))
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// }
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// // arg 1
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// argType := parser.NewDataTypeString()
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// if !typesAreAssignmentCompatible(argType, call.Args[0].DataType()) {
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// return nil, sql3.NewErrParameterTypeMistmatch(call.Args[0].Pos().Line, call.Args[0].Pos().Column, call.Args[0].DataType().TypeDescription(), argType.TypeDescription())
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// }
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// //return string
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// call.ResultDataType = parser.NewDataTypeString()
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// return call, nil
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return nil, sql3.NewErrUnsupported(0, 0, false, "user defined functions")
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}
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func (n *callPlanExpression) evaluateUserDefinedFunction(currentRow []interface{}) (interface{}, error) {
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// TODO(pok) removing what effectively is a remote code exploit
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// we will come back to this to add sql udfs and external code later
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// argEval, err := n.args[0].Evaluate(currentRow)
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// if err != nil {
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// return nil, err
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// }
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// // nil if anything is nil
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// if argEval == nil {
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// return nil, nil
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// }
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// //get the value
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// coercedArg, err := coerceValue(n.args[0].Type(), parser.NewDataTypeString(), argEval, parser.Pos{Line: 0, Column: 0})
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// if err != nil {
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// return nil, err
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// }
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// arg, argOk := coercedArg.(string)
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// if !argOk {
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// return nil, sql3.NewErrInternalf("unable to convert value")
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// }
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// // save the body to a temp file
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// file, err := os.CreateTemp("", "py-body")
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// if err != nil {
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// return nil, err
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// }
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// defer os.Remove(file.Name())
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// file.Write([]byte(n.udfReference.body))
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// cmd := exec.Command("python3", file.Name(), arg)
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// stdout, err := cmd.Output()
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// if err != nil {
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// return nil, err
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// }
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// retVal := string(stdout)
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// return retVal, nil
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return nil, sql3.NewErrUnsupported(0, 0, false, "user defined functions")
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}
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