Examples of org.lealone.command.Parser

org.lealone.command.Parser
The parser is used to convert a SQL statement string to an command object.

     * @param sql the SQL statement
     * @param rightsChecked true if the rights have already been checked
     * @return the prepared statement
     */
    public Prepared prepare(String sql, boolean rightsChecked) {
        Parser parser = createParser();
        parser.setRightsChecked(rightsChecked);
        return parser.prepare(sql);
    }

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                    command.reuse();
                    return command;
                }
            }
        }
        Parser parser = createParser();
        command = parser.prepareCommand(sql);
        if (queryCache != null) {
            if (command.isCacheable()) {
                queryCache.put(sql, command);
            }
        }

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    public SubqueryResult createSubqueryResult(Query query, int maxrows) {
        return new SubqueryResult(query, maxrows);
    }


    public Parser createParser() {
        return new Parser(this);
    }

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     */
    public Expression getCheckConstraint(Session session, String asColumnName) {
        if (checkConstraint == null) {
            return null;
        }
        Parser parser = session.createParser();
        String sql;
        synchronized (this) {
            String oldName = name;
            name = asColumnName;
            sql = checkConstraint.getSQL();
            name = oldName;
        }
        Expression expr = parser.parseExpression(sql);
        return expr;
    }

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        }
        return false;
    }


    private static long getDiskSpaceUsed(Session session, Value v0) {
        Parser p = new Parser(session);
        String sql = v0.getString();
        Table table = p.parseTableName(sql);
        return table.getDiskSpaceUsed();
    }

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    }


    private Sequence getSequence(Session session, Value v0, Value v1) {
        String schemaName, sequenceName;
        if (v1 == null) {
            Parser p = session.createParser();
            String sql = v0.getString();
            Expression expr = p.parseExpression(sql);
            if (expr instanceof ExpressionColumn) {
                ExpressionColumn seq = (ExpressionColumn) expr;
                schemaName = seq.getOriginalTableAliasName();
                if (schemaName == null) {
                    schemaName = session.getCurrentSchemaName();

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Related Classes of org.lealone.command.Parser

org.lealone.command.ddl.AlterSequence

org.lealone.command.ddl.AlterTableAddConstraint

org.lealone.command.ddl.AlterTableAlterColumn

org.lealone.command.ddl.AlterUser

org.lealone.command.ddl.CreateIndex

org.lealone.command.ddl.CreateTable

org.lealone.command.ddl.DropIndex

org.lealone.command.dml.Delete

org.lealone.command.dml.Insert

org.lealone.command.dml.Merge

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