Method RowIter

server/node/create_procedure.go:91–148

RowIter implements the interface sql.ExecSourceRel.

(ctx *sql.Context, _ sql.Row)

// RowIter implements the interface sql.ExecSourceRel.
func (c *CreateProcedure) RowIter(ctx *sql.Context, _ sql.Row) (sql.RowIter, error) {
	procCollection, err := core.GetProceduresCollectionFromContext(ctx, "")
	if err != nil {
		return nil, err
	}

	paramTypes := make([]id.Type, len(c.Parameters))
	paramNames := make([]string, len(c.Parameters))
	paramModes := make([]procedures.ParameterMode, len(c.Parameters))
	paramDefaults := make([]string, len(c.Parameters))
	for i, param := range c.Parameters {
		paramNames[i] = param.Name
		paramTypes[i] = param.Type.ID
		if param.Default != nil {
			paramDefaults[i] = param.Default.String()
		}
	}

	schemaName, err := core.GetSchemaName(ctx, nil, c.SchemaName)
	if err != nil {
		return nil, err
	}
	procID := id.NewProcedure(schemaName, c.ProcedureName, paramTypes...)
	if c.Replace && procCollection.HasProcedure(ctx, procID) {
		if err = procCollection.DropProcedure(ctx, procID); err != nil {
			return nil, err
		}
	}
	var extName string
	if len(c.ExtensionName) > 0 {
		ext, err := extensions.GetExtension(c.ExtensionName)
		if err != nil {
			return nil, err
		}
		ident := extensions.CreateLibraryIdentifier(c.ExtensionName, ext.Control.DefaultVersion)
		_, err = extensions.GetExtensionFunction(extensions.CreateLibraryIdentifier(c.ExtensionName, ext.Control.DefaultVersion), c.ExtensionSymbol)
		if err != nil {
			return nil, err
		}
		extName = string(ident)
	}
	err = procCollection.AddProcedure(ctx, procedures.Procedure{
		ID:                procID,
		ParameterNames:    paramNames,
		ParameterTypes:    paramTypes,
		ParameterModes:    paramModes,
		ParameterDefaults: paramDefaults,
		Definition:        c.Definition,
		ExtensionName:     extName,
		ExtensionSymbol:   c.ExtensionSymbol,
		Operations:        c.Statements,
		SQLDefinition:     c.SqlDef,
	})
	if err != nil {
		return nil, err
	}
	return sql.RowsToRowIter(), nil
}