Examples with CreateIndex net.sf.jsqlparser.statement.create.index.CreateIndex used on opensource projects

Example 11 with CreateIndex

use of net.sf.jsqlparser.statement.create.index.CreateIndex in project dbeaver by dbeaver.

the class SQLQuery method parseQuery.

private void parseQuery() {
    if (parsed) {
        return;
    }
    parsed = true;
    try {
        if (CommonUtils.isEmpty(text)) {
            this.statement = null;
            this.parseError = new DBException("Empty query");
            return;
        }
        statement = SQLSemanticProcessor.parseQuery(dataSource == null ? null : dataSource.getSQLDialect(), text);
        if (statement instanceof Select) {
            type = SQLQueryType.SELECT;
            // Detect single source table (no joins, no group by, no sub-selects)
            SelectBody selectBody = ((Select) statement).getSelectBody();
            if (selectBody instanceof PlainSelect) {
                PlainSelect plainSelect = (PlainSelect) selectBody;
                if (plainSelect.getFromItem() instanceof Table && CommonUtils.isEmpty(plainSelect.getJoins()) && (plainSelect.getGroupBy() == null || CommonUtils.isEmpty(plainSelect.getGroupBy().getGroupByExpressions())) && CommonUtils.isEmpty(plainSelect.getIntoTables())) {
                    boolean hasSubSelects = false;
                    for (SelectItem si : plainSelect.getSelectItems()) {
                        if (si instanceof SelectExpressionItem && ((SelectExpressionItem) si).getExpression() instanceof SubSelect) {
                            hasSubSelects = true;
                            break;
                        }
                    }
                    if (!hasSubSelects) {
                        fillSingleSource((Table) plainSelect.getFromItem());
                    }
                }
                // Extract select items info
                final List<SelectItem> items = plainSelect.getSelectItems();
                if (items != null && !items.isEmpty()) {
                    selectItems = new ArrayList<>();
                    for (SelectItem item : items) {
                        selectItems.add(new SQLSelectItem(item));
                    }
                }
            }
        } else if (statement instanceof Insert) {
            type = SQLQueryType.INSERT;
            fillSingleSource(((Insert) statement).getTable());
        } else if (statement instanceof Update) {
            type = SQLQueryType.UPDATE;
            Table table = ((Update) statement).getTable();
            if (table != null) {
                fillSingleSource(table);
            }
        } else if (statement instanceof Delete) {
            type = SQLQueryType.DELETE;
            if (((Delete) statement).getTable() != null) {
                fillSingleSource(((Delete) statement).getTable());
            } else {
                List<Table> tables = ((Delete) statement).getTables();
                if (tables != null && tables.size() == 1) {
                    fillSingleSource(tables.get(0));
                }
            }
        } else if (statement instanceof Alter || statement instanceof CreateTable || statement instanceof CreateView || statement instanceof Drop || statement instanceof CreateIndex) {
            type = SQLQueryType.DDL;
        } else {
            type = SQLQueryType.UNKNOWN;
        }
    } catch (Throwable e) {
        this.type = SQLQueryType.UNKNOWN;
        this.parseError = e;
    // log.debug("Error parsing SQL query [" + query + "]:" + CommonUtils.getRootCause(e).getMessage());
    }
}