Examples with DfColumnExtractor org.dbflute.logic.jdbc.metadata.basic.DfColumnExtractor used on opensource projects

Example 1 with DfColumnExtractor

use of org.dbflute.logic.jdbc.metadata.basic.DfColumnExtractor in project dbflute-core by dbflute.

the class DfRepsSequenceHandlerPostgreSQL method handleSerialTypeSequence.

protected void handleSerialTypeSequence(Map<String, String> tableSequenceMap) {
    final StringSet doneSequenceSet = StringSet.createAsFlexibleOrdered();
    doneSequenceSet.addAll(tableSequenceMap.values());
    DfTableMeta tableInfo = null;
    DfPrimaryKeyMeta pkInfo = null;
    String sequenceName = null;
    String tableSqlName = null;
    Integer actualValue = null;
    String sequenceSqlName = null;
    Connection conn = null;
    Statement st = null;
    try {
        conn = _dataSource.getConnection();
        st = conn.createStatement();
        final DatabaseMetaData metaData = conn.getMetaData();
        final DfColumnExtractor columnHandler = new DfColumnExtractor();
        final DfAutoIncrementExtractor autoIncrementHandler = new DfAutoIncrementExtractor();
        _log.info("...Incrementing serial type sequence");
        final Set<Entry<String, DfTableMeta>> entrySet = _tableMap.entrySet();
        for (Entry<String, DfTableMeta> entry : entrySet) {
            // clear elements that are also used exception message
            tableInfo = null;
            pkInfo = null;
            sequenceName = null;
            tableSqlName = null;
            actualValue = null;
            sequenceSqlName = null;
            tableInfo = entry.getValue();
            pkInfo = _uniqueKeyHandler.getPrimaryKey(metaData, tableInfo);
            final List<String> pkList = pkInfo.getPrimaryKeyList();
            if (pkList.size() != 1) {
                continue;
            }
            final String primaryKeyColumnName = pkList.get(0);
            if (!autoIncrementHandler.isAutoIncrementColumn(conn, tableInfo, primaryKeyColumnName)) {
                continue;
            }
            final Map<String, DfColumnMeta> columnMap = columnHandler.getColumnMap(metaData, tableInfo);
            final DfColumnMeta columnInfo = columnMap.get(primaryKeyColumnName);
            if (columnInfo == null) {
                continue;
            }
            final String defaultValue = columnInfo.getDefaultValue();
            if (defaultValue == null) {
                continue;
            }
            final String prefix = "nextval('";
            if (!defaultValue.startsWith(prefix)) {
                continue;
            }
            final String excludedPrefixString = defaultValue.substring(prefix.length());
            final int endIndex = excludedPrefixString.indexOf("'");
            if (endIndex < 0) {
                continue;
            }
            sequenceName = excludedPrefixString.substring(0, endIndex);
            if (doneSequenceSet.contains(sequenceName)) {
                // already done
                continue;
            }
            tableSqlName = tableInfo.getTableSqlName();
            final Integer count = selectCount(st, tableSqlName);
            if (count == null || count == 0) {
                // It is not necessary to increment because the table has no data.
                continue;
            }
            actualValue = selectDataMax(st, tableInfo, primaryKeyColumnName);
            if (actualValue == null) {
                // It is not necessary to increment because the table has no data.
                continue;
            }
            // because sequence names of other schemas have already been qualified
            // sequenceSqlName = tableInfo.getUnifiedSchema().buildSqlName(sequenceName);
            sequenceSqlName = sequenceName;
            callSequenceLoop(st, sequenceSqlName, actualValue);
        }
    } catch (SQLException e) {
        throwSerialTypeSequenceHandlingFailureException(tableInfo, pkInfo, sequenceName, tableSqlName, actualValue, sequenceSqlName, e);
    } finally {
        if (st != null) {
            try {
                st.close();
            } catch (SQLException ignored) {
                _log.info("Statement.close() threw the exception!", ignored);
            }
        }
        if (conn != null) {
            try {
                conn.close();
            } catch (SQLException ignored) {
                _log.info("Connection.close() threw the exception!", ignored);
            }
        }
    }
}

Example 2 with DfColumnExtractor

use of org.dbflute.logic.jdbc.metadata.basic.DfColumnExtractor in project dbflute-core by dbflute.

the class DfSequenceHandlerPostgreSQL method handleSerialTypeSequence.

protected void handleSerialTypeSequence(Map<String, String> tableSequenceMap) {
    final StringSet doneSequenceSet = StringSet.createAsFlexibleOrdered();
    doneSequenceSet.addAll(tableSequenceMap.values());
    DfTableMeta tableInfo = null;
    DfPrimaryKeyMeta pkInfo = null;
    String sequenceName = null;
    String tableSqlName = null;
    Integer actualValue = null;
    String sequenceSqlName = null;
    Connection conn = null;
    Statement st = null;
    try {
        conn = _dataSource.getConnection();
        st = conn.createStatement();
        final DatabaseMetaData metaData = conn.getMetaData();
        final DfColumnExtractor columnHandler = new DfColumnExtractor();
        final DfAutoIncrementExtractor autoIncrementHandler = new DfAutoIncrementExtractor();
        _log.info("...Incrementing serial type sequence");
        final Set<Entry<String, DfTableMeta>> entrySet = _tableMap.entrySet();
        for (Entry<String, DfTableMeta> entry : entrySet) {
            // clear elements that are also used exception message
            tableInfo = null;
            pkInfo = null;
            sequenceName = null;
            tableSqlName = null;
            actualValue = null;
            sequenceSqlName = null;
            tableInfo = entry.getValue();
            pkInfo = _uniqueKeyHandler.getPrimaryKey(metaData, tableInfo);
            final List<String> pkList = pkInfo.getPrimaryKeyList();
            if (pkList.size() != 1) {
                continue;
            }
            final String primaryKeyColumnName = pkList.get(0);
            if (!autoIncrementHandler.isAutoIncrementColumn(conn, tableInfo, primaryKeyColumnName)) {
                continue;
            }
            final Map<String, DfColumnMeta> columnMap = columnHandler.getColumnMap(metaData, tableInfo);
            final DfColumnMeta columnInfo = columnMap.get(primaryKeyColumnName);
            if (columnInfo == null) {
                continue;
            }
            final String defaultValue = columnInfo.getDefaultValue();
            if (defaultValue == null) {
                continue;
            }
            final String prefix = "nextval('";
            if (!defaultValue.startsWith(prefix)) {
                continue;
            }
            final String excludedPrefixString = defaultValue.substring(prefix.length());
            final int endIndex = excludedPrefixString.indexOf("'");
            if (endIndex < 0) {
                continue;
            }
            sequenceName = excludedPrefixString.substring(0, endIndex);
            if (doneSequenceSet.contains(sequenceName)) {
                // already done
                continue;
            }
            tableSqlName = tableInfo.getTableSqlName();
            final Integer count = selectCount(st, tableSqlName);
            if (count == null || count == 0) {
                // It is not necessary to increment because the table has no data.
                continue;
            }
            actualValue = selectDataMax(st, tableInfo, primaryKeyColumnName);
            if (actualValue == null) {
                // It is not necessary to increment because the table has no data.
                continue;
            }
            // because sequence names of other schemas have already been qualified
            // sequenceSqlName = tableInfo.getUnifiedSchema().buildSqlName(sequenceName);
            sequenceSqlName = sequenceName;
            callSequenceLoop(st, sequenceSqlName, actualValue);
        }
    } catch (SQLException e) {
        throwSerialTypeSequenceHandlingFailureException(tableInfo, pkInfo, sequenceName, tableSqlName, actualValue, sequenceSqlName, e);
    } finally {
        if (st != null) {
            try {
                st.close();
            } catch (SQLException ignored) {
                _log.info("Statement.close() threw the exception!", ignored);
            }
        }
        if (conn != null) {
            try {
                conn.close();
            } catch (SQLException ignored) {
                _log.info("Connection.close() threw the exception!", ignored);
            }
        }
    }
}