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chrislu
2025-09-04 21:10:10 -07:00
parent 93867ca04b
commit bdf43f53e9
2 changed files with 5 additions and 0 deletions
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weed/query/engine/string_functions.go
+3
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@@ -151,6 +151,7 @@ func (e *SQLEngine) Substring(value *schema_pb.Value, start *schema_pb.Value, le
// If length is out-of-bounds for int, take substring from startIdx to end
result = str[startIdx:]
} else {
// Safe conversion after bounds check
endIdx := startIdx + int(lengthVal)
if endIdx > len(str) {
endIdx = len(str)
@@ -283,6 +284,7 @@ func (e *SQLEngine) Left(value *schema_pb.Value, length *schema_pb.Value) (*sche
}, nil
}
// Safe conversion after bounds check
return &schema_pb.Value{
Kind: &schema_pb.Value_StringValue{StringValue: str[:int(lengthVal)]},
}, nil
@@ -322,6 +324,7 @@ func (e *SQLEngine) Right(value *schema_pb.Value, length *schema_pb.Value) (*sch
}, nil
}
// Safe conversion after bounds check
startPos := len(str) - int(lengthVal)
return &schema_pb.Value{
Kind: &schema_pb.Value_StringValue{StringValue: str[startPos:]},