Examples with References$ org.jaxdb.www.ddlx_0_5.xLygluGCXAA.$ForeignKey.References$ used on opensource projects

Example 1 with References$

use of org.jaxdb.www.ddlx_0_5.xLygluGCXAA.$ForeignKey.References$ in project jaxdb by jaxdb.

the class Compiler method createConstraints.

private CreateStatement createConstraints(final Map<String, ColumnRef> columnNameToColumn, final $Table table) throws GeneratorExecutionException {
    final StringBuilder constraintsBuilder = new StringBuilder();
    if (table.getConstraints() != null) {
        final $Constraints constraints = table.getConstraints();
        // UNIQUE constraint
        final List<$Columns> uniques = constraints.getUnique();
        if (uniques != null) {
            final StringBuilder uniqueString = new StringBuilder();
            final StringBuilder uniqueBuilder = new StringBuilder();
            for (final $Columns unique : uniques) {
                final List<$Named> columns = unique.getColumn();
                final int[] columnIndexes = new int[columns.size()];
                for (int i = 0, len = columns.size(); i < len; ++i) {
                    if (i > 0)
                        uniqueBuilder.append(", ");
                    final String columnName = columns.get(i).getName$().text();
                    uniqueBuilder.append(q(columnName));
                    columnIndexes[i] = columnNameToColumn.get(columnName).index;
                }
                uniqueString.append(",\n  CONSTRAINT ").append(q(getConstraintName("uq", table, null, columnIndexes))).append(" UNIQUE (").append(uniqueBuilder).append(')');
                uniqueBuilder.setLength(0);
            }
            constraintsBuilder.append(uniqueString);
        }
        // CHECK constraint
        final List<$CheckReference> checks = constraints.getCheck();
        if (checks != null) {
            final StringBuilder checkBuilder = new StringBuilder();
            for (final $CheckReference check : checks) {
                final String checkRule = recurseCheckRule(check);
                final String checkClause = checkRule.startsWith("(") ? checkRule : "(" + checkRule + ")";
                checkBuilder.append(",\n  CONSTRAINT ").append(q(getConstraintName("ck", new StringBuilder(hash(table.getName$().text() + checkClause))))).append(" CHECK ").append(checkClause);
            }
            constraintsBuilder.append(checkBuilder);
        }
        // PRIMARY KEY constraint
        final String primaryKeyConstraint = blockPrimaryKey(table, constraints, columnNameToColumn);
        if (primaryKeyConstraint != null)
            constraintsBuilder.append(primaryKeyConstraint);
        // FOREIGN KEY constraints
        final List<$ForeignKeyComposite> foreignKeyComposites = constraints.getForeignKey();
        if (foreignKeyComposites != null) {
            for (final $ForeignKeyComposite foreignKeyComposite : foreignKeyComposites) {
                final List<$ForeignKeyComposite.Column> columns = foreignKeyComposite.getColumn();
                final int[] columnIndexes = new int[columns.size()];
                final String[] foreignKeyColumns = new String[columns.size()];
                final String[] foreignKeyReferences = new String[columns.size()];
                for (int i = 0, len = columns.size(); i < len; ++i) {
                    final $ForeignKeyComposite.Column column = columns.get(i);
                    final String columnName = column.getName$().text();
                    foreignKeyColumns[i] = q(columnName);
                    foreignKeyReferences[i] = q(column.getReferences$().text());
                    columnIndexes[i] = columnNameToColumn.get(columnName).index;
                }
                constraintsBuilder.append(",\n  ").append(foreignKey(table, foreignKeyComposite.getReferences$(), columnIndexes)).append(" (").append(ArrayUtil.toString(foreignKeyColumns, ", "));
                constraintsBuilder.append(") REFERENCES ").append(q(foreignKeyComposite.getReferences$().text()));
                constraintsBuilder.append(" (").append(ArrayUtil.toString(foreignKeyReferences, ", ")).append(')');
                appendOnDeleteOnUpdate(constraintsBuilder, foreignKeyComposite);
            }
        }
    }
    if (table.getColumn() != null) {
        final List<$Column> columns = table.getColumn();
        for (int c = 0, len = columns.size(); c < len; ++c) {
            final $Column column = columns.get(c);
            final $ForeignKeyUnary foreignKey = column.getForeignKey();
            if (foreignKey != null) {
                constraintsBuilder.append(",\n  ").append(foreignKey(table, foreignKey.getReferences$(), c)).append(" (").append(q(column.getName$().text()));
                constraintsBuilder.append(") REFERENCES ").append(q(foreignKey.getReferences$().text()));
                constraintsBuilder.append(" (").append(q(foreignKey.getColumn$().text())).append(')');
                appendOnDeleteOnUpdate(constraintsBuilder, foreignKey);
            }
        }
        // Parse the min & max constraints of numeric types
        for (int c = 0, len = columns.size(); c < len; ++c) {
            final $Column column = columns.get(c);
            String minCheck = null;
            String maxCheck = null;
            if (column instanceof $Integer) {
                if (column instanceof $Tinyint) {
                    final $Tinyint type = ($Tinyint) column;
                    minCheck = type.getMin$() != null ? String.valueOf(type.getMin$().text()) : null;
                    maxCheck = type.getMax$() != null ? String.valueOf(type.getMax$().text()) : null;
                } else if (column instanceof $Smallint) {
                    final $Smallint type = ($Smallint) column;
                    minCheck = type.getMin$() != null ? String.valueOf(type.getMin$().text()) : null;
                    maxCheck = type.getMax$() != null ? String.valueOf(type.getMax$().text()) : null;
                } else if (column instanceof $Int) {
                    final $Int type = ($Int) column;
                    minCheck = type.getMin$() != null ? String.valueOf(type.getMin$().text()) : null;
                    maxCheck = type.getMax$() != null ? String.valueOf(type.getMax$().text()) : null;
                } else if (column instanceof $Bigint) {
                    final $Bigint type = ($Bigint) column;
                    minCheck = type.getMin$() != null ? String.valueOf(type.getMin$().text()) : null;
                    maxCheck = type.getMax$() != null ? String.valueOf(type.getMax$().text()) : null;
                } else {
                    throw new UnsupportedOperationException("Unsupported type: " + column.getClass().getName());
                }
            } else if (column instanceof $Float) {
                final $Float type = ($Float) column;
                minCheck = type.getMin$() != null ? String.valueOf(type.getMin$().text()) : null;
                maxCheck = type.getMax$() != null ? String.valueOf(type.getMax$().text()) : null;
            } else if (column instanceof $Double) {
                final $Double type = ($Double) column;
                minCheck = type.getMin$() != null ? String.valueOf(type.getMin$().text()) : null;
                maxCheck = type.getMax$() != null ? String.valueOf(type.getMax$().text()) : null;
            } else if (column instanceof $Decimal) {
                final $Decimal type = ($Decimal) column;
                minCheck = type.getMin$() != null ? String.valueOf(type.getMin$().text()) : null;
                maxCheck = type.getMax$() != null ? String.valueOf(type.getMax$().text()) : null;
            }
            final String minCheckExp = minCheck == null ? null : q(column.getName$().text()) + " >= " + minCheck;
            final String maxCheckExp = maxCheck == null ? null : q(column.getName$().text()) + " <= " + maxCheck;
            if (minCheck != null) {
                if (maxCheck != null)
                    constraintsBuilder.append(",\n  ").append(check(table, c, Operator.GTE, minCheck, Operator.LTE, maxCheck)).append(" (").append(minCheckExp).append(" AND ").append(maxCheckExp).append(')');
                else
                    constraintsBuilder.append(",\n  ").append(check(table, c, Operator.GTE, minCheck, null, null)).append(" (").append(minCheckExp).append(')');
            } else if (maxCheck != null) {
                constraintsBuilder.append(",\n  ").append(check(table, c, Operator.LTE, maxCheck, null, null)).append(" (").append(maxCheckExp).append(')');
            }
        }
        // parse the <check/> element per type
        for (int c = 0, len = columns.size(); c < len; ++c) {
            final $Column column = columns.get(c);
            Operator operator = null;
            String condition = null;
            if (column instanceof $Char) {
                final $Char type = ($Char) column;
                if (type.getCheck() != null) {
                    operator = Operator.valueOf(type.getCheck().getOperator$().text());
                    condition = "'" + type.getCheck().getValue$().text() + "'";
                }
            } else if (column instanceof $Tinyint) {
                final $Tinyint type = ($Tinyint) column;
                if (type.getCheck() != null) {
                    operator = Operator.valueOf(type.getCheck().getOperator$().text());
                    condition = String.valueOf(type.getCheck().getValue$().text());
                }
            } else if (column instanceof $Smallint) {
                final $Smallint type = ($Smallint) column;
                if (type.getCheck() != null) {
                    operator = Operator.valueOf(type.getCheck().getOperator$().text());
                    condition = String.valueOf(type.getCheck().getValue$().text());
                }
            } else if (column instanceof $Int) {
                final $Int type = ($Int) column;
                if (type.getCheck() != null) {
                    operator = Operator.valueOf(type.getCheck().getOperator$().text());
                    condition = String.valueOf(type.getCheck().getValue$().text());
                }
            } else if (column instanceof $Bigint) {
                final $Bigint type = ($Bigint) column;
                if (type.getCheck() != null) {
                    operator = Operator.valueOf(type.getCheck().getOperator$().text());
                    condition = String.valueOf(type.getCheck().getValue$().text());
                }
            } else if (column instanceof $Float) {
                final $Float type = ($Float) column;
                if (type.getCheck() != null) {
                    operator = Operator.valueOf(type.getCheck().getOperator$().text());
                    condition = String.valueOf(type.getCheck().getValue$().text());
                }
            } else if (column instanceof $Double) {
                final $Double type = ($Double) column;
                if (type.getCheck() != null) {
                    operator = Operator.valueOf(type.getCheck().getOperator$().text());
                    condition = String.valueOf(type.getCheck().getValue$().text());
                }
            } else if (column instanceof $Decimal) {
                final $Decimal type = ($Decimal) column;
                if (type.getCheck() != null) {
                    operator = Operator.valueOf(type.getCheck().getOperator$().text());
                    condition = String.valueOf(type.getCheck().getValue$().text());
                }
            }
            if (operator != null) {
                if (condition != null)
                    constraintsBuilder.append(",\n  ").append(check(table, c, operator, condition, null, null)).append(" (").append(q(column.getName$().text())).append(' ').append(operator.symbol).append(' ').append(condition).append(')');
                else
                    throw new UnsupportedOperationException("Unsupported 'null' condition encountered on column '" + column.getName$().text());
            } else if (condition != null) {
                throw new UnsupportedOperationException("Unsupported 'null' operator encountered on column '" + column.getName$().text());
            }
        }
    }
    return constraintsBuilder.length() == 0 ? null : new CreateStatement(constraintsBuilder.toString());
}

Example 2 with References$

use of org.jaxdb.www.ddlx_0_5.xLygluGCXAA.$ForeignKey.References$ in project jaxdb by jaxdb.

the class Decompiler method getForeignKeys.

@SuppressWarnings("null")
// FIXME: This does not support composite foreign keys
Map<String, Map<String, $ForeignKeyUnary>> getForeignKeys(final Connection connection) throws SQLException {
    final DatabaseMetaData metaData = connection.getMetaData();
    try (final ResultSet foreignKeyRows = metaData.getImportedKeys(null, null, null)) {
        final Map<String, Map<String, $ForeignKeyUnary>> tableNameToForeignKeys = new HashMap<>();
        String lastTable = null;
        Map<String, $ForeignKeyUnary> columnNameToForeignKey = null;
        while (foreignKeyRows.next()) {
            final String tableName = foreignKeyRows.getString("FKTABLE_NAME").toLowerCase();
            if (!tableName.equals(lastTable)) {
                lastTable = tableName;
                tableNameToForeignKeys.put(tableName, columnNameToForeignKey = new HashMap<>());
            }
            final String primaryTable = foreignKeyRows.getString("PKTABLE_NAME").toLowerCase();
            final String primaryColumn = foreignKeyRows.getString("PKCOLUMN_NAME").toLowerCase();
            final String columnName = foreignKeyRows.getString("FKCOLUMN_NAME").toLowerCase();
            final short updateRule = foreignKeyRows.getShort("UPDATE_RULE");
            final short deleteRule = foreignKeyRows.getShort("DELETE_RULE");
            final $ForeignKeyUnary foreignKey = new $Column.ForeignKey();
            foreignKey.setReferences$(new References$(primaryTable));
            foreignKey.setColumn$(new Column$(primaryColumn));
            final $ChangeRule.Enum onUpdate = toBinding(updateRule);
            if (onUpdate != null)
                foreignKey.setOnUpdate$(new OnUpdate$(onUpdate));
            final $ChangeRule.Enum onDelete = toBinding(deleteRule);
            if (onDelete != null)
                foreignKey.setOnDelete$(new OnDelete$(onDelete));
            columnNameToForeignKey.put(columnName, foreignKey);
        }
        return tableNameToForeignKeys;
    }
}

Example 3 with References$

use of org.jaxdb.www.ddlx_0_5.xLygluGCXAA.$ForeignKey.References$ in project jaxdb by jaxdb.

the class DerbyDecompiler method getForeignKeys.

@Override
@SuppressWarnings("null")
Map<String, Map<String, $ForeignKeyUnary>> getForeignKeys(final Connection connection) throws SQLException {
    final Map<String, List<String>> tableNameToColumns = getTables(connection);
    final PreparedStatement statement = connection.prepareStatement(foreignKeySql);
    final ResultSet rows = statement.executeQuery();
    final Map<String, Map<String, $ForeignKeyUnary>> tableNameToForeignKeys = new HashMap<>();
    String lastTable = null;
    Map<String, $ForeignKeyUnary> columnNameToForeignKey = null;
    while (rows.next()) {
        final String tableName = rows.getString(2);
        final List<String> columnNames = tableNameToColumns.get(tableName);
        if (!tableName.equals(lastTable)) {
            lastTable = tableName;
            tableNameToForeignKeys.put(tableName, columnNameToForeignKey = new HashMap<>());
        }
        final String primaryTable = rows.getString(6);
        final String primaryDescriptor = rows.getString(7);
        final String primaryColumn = tableNameToColumns.get(primaryTable).get(Integer.valueOf(primaryDescriptor.substring(primaryDescriptor.lastIndexOf('(') + 1, primaryDescriptor.lastIndexOf(')'))) - 1);
        final $ForeignKeyUnary foreignKey = new $Column.ForeignKey();
        foreignKey.setReferences$(new References$(primaryTable.toLowerCase()));
        foreignKey.setColumn$(new Column$(primaryColumn.toLowerCase()));
        final String deleteRule = rows.getString(4);
        final $ChangeRule.Enum onDelete = deleteRule == null ? null : "S".equals(deleteRule) ? $ChangeRule.RESTRICT : "C".equals(deleteRule) ? $ChangeRule.CASCADE : "U".equals(deleteRule) ? $ChangeRule.SET_20NULL : null;
        if (onDelete != null)
            foreignKey.setOnDelete$(new OnDelete$(onDelete));
        final String updateRule = rows.getString(5);
        final $ChangeRule.Enum onUpdate = updateRule == null ? null : "S".equals(updateRule) ? $ChangeRule.RESTRICT : null;
        if (onUpdate != null)
            foreignKey.setOnUpdate$(new OnUpdate$(onUpdate));
        final String foreignDescriptor = rows.getString(3);
        final String foreignColumn = columnNames.get(Integer.valueOf(foreignDescriptor.substring(foreignDescriptor.lastIndexOf('(') + 1, foreignDescriptor.lastIndexOf(')'))) - 1);
        columnNameToForeignKey.put(foreignColumn, foreignKey);
    }
    return tableNameToForeignKeys;
}