Method parseDml0

core/src/main/java/io/questdb/griffin/SqlParser.java:2474–2645

(
            GenericLexer lexer,
            @Nullable LowerCaseCharSequenceObjHashMap<WithClauseModel> parentWithClauses,
            @Nullable LowerCaseCharSequenceObjHashMap<WithClauseModel> topWithClauses,
            int modelPosition,
            SqlParserCallback sqlParserCallback,
            @Nullable LowerCaseCharSequenceObjHashMap<ExpressionNode> decls,
            boolean overrideDeclare
    )

    }

    @NotNull
    private IQueryModel parseDml0(
            GenericLexer lexer,
            @Nullable LowerCaseCharSequenceObjHashMap<WithClauseModel> parentWithClauses,
            @Nullable LowerCaseCharSequenceObjHashMap<WithClauseModel> topWithClauses,
            int modelPosition,
            SqlParserCallback sqlParserCallback,
            @Nullable LowerCaseCharSequenceObjHashMap<ExpressionNode> decls,
            boolean overrideDeclare
    ) throws SqlException {
        CharSequence tok;
        IQueryModel model = queryModelPool.next();
        model.setModelPosition(modelPosition);

        if (parentWithClauses != null) {
            model.getWithClauses().putAll(parentWithClauses);
        }

        tok = tok(lexer, "'select', 'with', 'declare' or table name expected");

        // [declare]
        if (isDeclareKeyword(tok)) {
            parseDeclare(lexer, model, sqlParserCallback);
            tok = tok(lexer, "'select', 'with', or table name expected");
        }

        // Merge external declares with the query's own declares.
        // When there is a naming conflict, overrideDeclare controls the behavior:
        //   - true: external declares override the query's own declares
        //   - false: query's own declares take precedence over the external ones
        // Currently set to true at view boundaries only, allowing callers to parameterize views.
        model.copyDeclsFrom(decls, overrideDeclare);

        // [with]
        if (isWithKeyword(tok)) {
            parseWithClauses(lexer, model.getWithClauses(), sqlParserCallback, model.getDecls());
            tok = tok(lexer, "'select' or table name expected");
        } else if (topWithClauses != null) {
            model.getWithClauses().putAll(topWithClauses);
        }

        // [select]
        if (isSelectKeyword(tok)) {
            parseSelectClause(lexer, model, sqlParserCallback);

            tok = optTok(lexer);

            if (tok != null && setOperations.contains(tok)) {
                tok = null;
            }

            if (tok == null || Chars.equals(tok, ';') || Chars.equals(tok, ')')) { // token can also be ';' on query boundary
                IQueryModel nestedModel = queryModelPool.next();
                nestedModel.setModelPosition(modelPosition);
                ExpressionNode tableNameExpr = expressionNodePool.next().of(ExpressionNode.FUNCTION, "long_sequence", 0, lexer.lastTokenPosition());
                tableNameExpr.paramCount = 1;
                tableNameExpr.rhs = ONE;
                nestedModel.setTableNameExpr(tableNameExpr);