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Commit 34afcd4

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wawan93Vladimir Kochergin
and
Vladimir Kochergin
authored
feat(engine/dolphin): implement MATCH_AGAINST conversion in SQL AST (#1192, #3091) (#4070)
* add conversion logic for MATCH_AGAINST statements * create type casting for search terms to 'text' * construct A_Expr for MATCH_AGAINST operation Co-authored-by: Vladimir Kochergin <vladimir.kochergin@check24.de>
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‎internal/engine/dolphin/convert.go

Lines changed: 24 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -989,7 +989,30 @@ func (c *cc) convertLockTablesStmt(n *pcast.LockTablesStmt) ast.Node {
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}
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func (c *cc) convertMatchAgainst(n *pcast.MatchAgainst) ast.Node {
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return todo(n)
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searchTerm := c.convert(n.Against)
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stringSearchTerm := &ast.TypeCast{
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Arg: searchTerm,
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TypeName: &ast.TypeName{
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Name: "text", // Use 'text' type which maps to string in Go
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},
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Location: n.OriginTextPosition(),
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}
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matchOperation := &ast.A_Const{
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Val: &ast.String{Str: "MATCH_AGAINST"},
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}
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return &ast.A_Expr{
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Name: &ast.List{
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Items: []ast.Node{
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&ast.String{Str: "AGAINST"},
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},
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},
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Lexpr: matchOperation,
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Rexpr: stringSearchTerm,
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Location: n.OriginTextPosition(),
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}
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}
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func (c *cc) convertMaxValueExpr(n *pcast.MaxValueExpr) ast.Node {

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