Function computeSQLAndByteOffset

backend/plugin/parser/pg/completion.go:43–53

computeSQLAndByteOffset converts (statement, caretLine, caretOffset) to (trimmedSQL, byteOffset) for omni's parser.Collect API.

(statement string, caretLine int, caretOffset int, tricky bool)

// computeSQLAndByteOffset converts (statement, caretLine, caretOffset) to
// (trimmedSQL, byteOffset) for omni's parser.Collect API.
func computeSQLAndByteOffset(statement string, caretLine int, caretOffset int, tricky bool) (string, int) {
	var sql string
	var newLine, newOffset int
	if tricky {
		sql, newLine, newOffset = skipHeadingSQLs(statement, caretLine, caretOffset)
		sql, newLine, newOffset = skipHeadingSQLWithoutSemicolon(sql, newLine, newOffset)
	} else {
		sql, newLine, newOffset = skipHeadingSQLs(statement, caretLine, caretOffset)
	}
	return sql, lineColumnToByteOffset(sql, newLine, newOffset)
}

// lineColumnToByteOffset converts 1-based line and 0-based column (character count)
// to a byte offset. Column is measured in runes (characters), not bytes, so that