Examples of org.h2.command.ddl.AlterTableAlterColumn

org.h2.command.ddl.AlterTableAlterColumn
This class represents the statements ALTER TABLE ADD, ALTER TABLE ADD IF NOT EXISTS, ALTER TABLE ALTER COLUMN, ALTER TABLE ALTER COLUMN RESTART, ALTER TABLE ALTER COLUMN SELECTIVITY, ALTER TABLE ALTER COLUMN SET DEFAULT, ALTER TABLE ALTER COLUMN SET NOT NULL, ALTER TABLE ALTER COLUMN SET NULL, ALTER TABLE DROP COLUMN

        throw getSyntaxError();
    }


    private AlterTableAlterColumn parseAlterTableAlterColumnType(Table table, String columnName, Column column) {
        Column newColumn = parseColumnForTable(columnName, column.isNullable());
        AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
        command.setTable(table);
        command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_CHANGE_TYPE);
        command.setOldColumn(column);
        command.setNewColumn(newColumn);
        return command;
    }

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    private AlterTableAlterColumn parseAlterTableAddColumn(Table table) {
        readIf("COLUMN");
        boolean ifNotExists = readIfNoExists();
        Schema schema = table.getSchema();
        AlterTableAlterColumn command = new AlterTableAlterColumn(session, schema);
        command.setIfNotExists(ifNotExists);
        command.setType(CommandInterface.ALTER_TABLE_ADD_COLUMN);
        command.setTable(table);
        String columnName = readColumnIdentifier();
        Column column = parseColumnForTable(columnName, true);
        command.setNewColumn(column);
        if (readIf("BEFORE")) {
            command.setAddBefore(readColumnIdentifier());
        }
        return command;
    }

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                command.setIndexName(idx.getName());
                return command;
            } else {
                readIf("COLUMN");
                boolean ifExists = readIfExists(false);
                AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                command.setType(CommandInterface.ALTER_TABLE_DROP_COLUMN);
                String columnName = readColumnIdentifier();
                command.setTable(table);
                if (ifExists && !table.doesColumnExist(columnName)) {
                    return new NoOperation(session);
                }
                command.setOldColumn(table.getColumn(columnName));
                return command;
            }
        } else if (readIf("ALTER")) {
            readIf("COLUMN");
            String columnName = readColumnIdentifier();
            Column column = table.getColumn(columnName);
            if (readIf("RENAME")) {
                read("TO");
                AlterTableRenameColumn command = new AlterTableRenameColumn(session);
                command.setTable(table);
                command.setColumn(column);
                String newName = readColumnIdentifier();
                command.setNewColumnName(newName);
                return command;
            } else if (readIf("DROP")) {
                // PostgreSQL compatibility
                if (readIf("DEFAULT")) {
                    AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                    command.setTable(table);
                    command.setOldColumn(column);
                    command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_DEFAULT);
                    command.setDefaultExpression(null);
                    return command;
                }
                read("NOT");
                read("NULL");
                AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                command.setTable(table);
                command.setOldColumn(column);
                command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_NULL);
                return command;
            } else if (readIf("TYPE")) {
                // PostgreSQL compatibility
                return parseAlterTableAlterColumnType(table, columnName, column);
            } else if (readIf("SET")) {
                if (readIf("DATA")) {
                    // Derby compatibility
                    read("TYPE");
                    return parseAlterTableAlterColumnType(table, columnName, column);
                }
                AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                command.setTable(table);
                command.setOldColumn(column);
                if (readIf("NULL")) {
                    command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_NULL);
                    return command;
                } else if (readIf("NOT")) {
                    read("NULL");
                    command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_NOT_NULL);
                    return command;
                } else if (readIf("DEFAULT")) {
                    Expression defaultExpression = readExpression();
                    command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_DEFAULT);
                    command.setDefaultExpression(defaultExpression);
                    return command;
                }
            } else if (readIf("RESTART")) {
                readIf("WITH");
                Expression start = readExpression();
                AlterSequence command = new AlterSequence(session, table.getSchema());
                command.setColumn(column);
                command.setStartWith(start);
                return command;
            } else if (readIf("SELECTIVITY")) {
                AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                command.setTable(table);
                command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_SELECTIVITY);
                command.setOldColumn(column);
                command.setSelectivity(readExpression());
                return command;
            } else {
                return parseAlterTableAlterColumnType(table, columnName, column);
            }
        }

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                command.setIndexName(idx.getName());
                return command;
            } else {
                readIf("COLUMN");
                boolean ifExists = readIfExists(false);
                AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                command.setType(CommandInterface.ALTER_TABLE_DROP_COLUMN);
                String columnName = readColumnIdentifier();
                command.setTable(table);
                if (ifExists && !table.doesColumnExist(columnName)) {
                    return new NoOperation(session);
                }
                command.setOldColumn(table.getColumn(columnName));
                return command;
            }
        } else if (readIf("ALTER")) {
            readIf("COLUMN");
            String columnName = readColumnIdentifier();
            Column column = table.getColumn(columnName);
            if (readIf("RENAME")) {
                read("TO");
                AlterTableRenameColumn command = new AlterTableRenameColumn(session);
                command.setTable(table);
                command.setColumn(column);
                String newName = readColumnIdentifier();
                command.setNewColumnName(newName);
                return command;
            } else if (readIf("DROP")) {
                // PostgreSQL compatibility
                if (readIf("DEFAULT")) {
                    AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                    command.setTable(table);
                    command.setOldColumn(column);
                    command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_DEFAULT);
                    command.setDefaultExpression(null);
                    return command;
                }
                read("NOT");
                read("NULL");
                AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                command.setTable(table);
                command.setOldColumn(column);
                command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_NULL);
                return command;
            } else if (readIf("TYPE")) {
                // PostgreSQL compatibility
                return parseAlterTableAlterColumnType(table, columnName, column);
            } else if (readIf("SET")) {
                if (readIf("DATA")) {
                    // Derby compatibility
                    read("TYPE");
                    return parseAlterTableAlterColumnType(table, columnName, column);
                }
                AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                command.setTable(table);
                command.setOldColumn(column);
                if (readIf("NULL")) {
                    command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_NULL);
                    return command;
                } else if (readIf("NOT")) {
                    read("NULL");
                    command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_NOT_NULL);
                    return command;
                } else if (readIf("DEFAULT")) {
                    Expression defaultExpression = readExpression();
                    command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_DEFAULT);
                    command.setDefaultExpression(defaultExpression);
                    return command;
                }
            } else if (readIf("RESTART")) {
                readIf("WITH");
                Expression start = readExpression();
                AlterSequence command = new AlterSequence(session, table.getSchema());
                command.setColumn(column);
                command.setStartWith(start);
                return command;
            } else if (readIf("SELECTIVITY")) {
                AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                command.setTable(table);
                command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_SELECTIVITY);
                command.setOldColumn(column);
                command.setSelectivity(readExpression());
                return command;
            } else {
                return parseAlterTableAlterColumnType(table, columnName, column);
            }
        }

View Full Code Here

        throw getSyntaxError();
    }


    private AlterTableAlterColumn parseAlterTableAlterColumnType(Table table, String columnName, Column column) {
        Column newColumn = parseColumnForTable(columnName, column.isNullable());
        AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
        command.setTable(table);
        command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_CHANGE_TYPE);
        command.setOldColumn(column);
        command.setNewColumn(newColumn);
        return command;
    }

View Full Code Here

    }


    private AlterTableAlterColumn parseAlterTableAddColumn(Table table) {
        readIf("COLUMN");
        Schema schema = table.getSchema();
        AlterTableAlterColumn command = new AlterTableAlterColumn(session, schema);
        command.setType(CommandInterface.ALTER_TABLE_ADD_COLUMN);
        command.setTable(table);
        ArrayList<Column> columnsToAdd = New.arrayList();
        if (readIf("(")) {
            command.setIfNotExists(false);
            do {
                String columnName = readColumnIdentifier();
                Column column = parseColumnForTable(columnName, true);
                columnsToAdd.add(column);
            } while (readIf(","));
            read(")");
            command.setNewColumns(columnsToAdd);
        } else {
            boolean ifNotExists = readIfNoExists();
            command.setIfNotExists(ifNotExists);
            String columnName = readColumnIdentifier();
            Column column = parseColumnForTable(columnName, true);
            columnsToAdd.add(column);
            if (readIf("BEFORE")) {
                command.setAddBefore(readColumnIdentifier());
            }
        }
        command.setNewColumns(columnsToAdd);
        return command;
    }

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        throw getSyntaxError();
    }


    private AlterTableAlterColumn parseAlterTableAlterColumnType(Table table, String columnName, Column column) {
        Column newColumn = parseColumnForTable(columnName, column.isNullable());
        AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
        command.setTable(table);
        command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_CHANGE_TYPE);
        command.setOldColumn(column);
        command.setNewColumn(newColumn);
        return command;
    }

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    private AlterTableAlterColumn parseAlterTableAddColumn(Table table) {
        readIf("COLUMN");
        boolean ifNotExists = readIfNoExists();
        Schema schema = table.getSchema();
        AlterTableAlterColumn command = new AlterTableAlterColumn(session, schema);
        command.setIfNotExists(ifNotExists);
        command.setType(CommandInterface.ALTER_TABLE_ADD_COLUMN);
        command.setTable(table);
        String columnName = readColumnIdentifier();
        Column column = parseColumnForTable(columnName, true);
        command.setNewColumn(column);
        if (readIf("BEFORE")) {
            command.setAddBefore(readColumnIdentifier());
        }
        return command;
    }

View Full Code Here

                command.setIndexName(idx.getName());
                return command;
            } else {
                readIf("COLUMN");
                boolean ifExists = readIfExists(false);
                AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                command.setType(CommandInterface.ALTER_TABLE_DROP_COLUMN);
                String columnName = readColumnIdentifier();
                command.setTable(table);
                if (ifExists && !table.doesColumnExist(columnName)) {
                    return new NoOperation(session);
                }
                command.setOldColumn(table.getColumn(columnName));
                return command;
            }
        } else if (readIf("ALTER")) {
            readIf("COLUMN");
            String columnName = readColumnIdentifier();
            Column column = table.getColumn(columnName);
            if (readIf("RENAME")) {
                read("TO");
                AlterTableRenameColumn command = new AlterTableRenameColumn(session);
                command.setTable(table);
                command.setColumn(column);
                String newName = readColumnIdentifier();
                command.setNewColumnName(newName);
                return command;
            } else if (readIf("DROP")) {
                // PostgreSQL compatibility
                if (readIf("DEFAULT")) {
                    AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                    command.setTable(table);
                    command.setOldColumn(column);
                    command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_DEFAULT);
                    command.setDefaultExpression(null);
                    return command;
                }
                read("NOT");
                read("NULL");
                AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                command.setTable(table);
                command.setOldColumn(column);
                command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_NULL);
                return command;
            } else if (readIf("TYPE")) {
                // PostgreSQL compatibility
                return parseAlterTableAlterColumnType(table, columnName, column);
            } else if (readIf("SET")) {
                if (readIf("DATA")) {
                    // Derby compatibility
                    read("TYPE");
                    return parseAlterTableAlterColumnType(table, columnName, column);
                }
                AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                command.setTable(table);
                command.setOldColumn(column);
                if (readIf("NULL")) {
                    command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_NULL);
                    return command;
                } else if (readIf("NOT")) {
                    read("NULL");
                    command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_NOT_NULL);
                    return command;
                } else if (readIf("DEFAULT")) {
                    Expression defaultExpression = readExpression();
                    command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_DEFAULT);
                    command.setDefaultExpression(defaultExpression);
                    return command;
                }
            } else if (readIf("RESTART")) {
                readIf("WITH");
                Expression start = readExpression();
                AlterSequence command = new AlterSequence(session, table.getSchema());
                command.setColumn(column);
                command.setStartWith(start);
                return command;
            } else if (readIf("SELECTIVITY")) {
                AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                command.setTable(table);
                command.setType(CommandInterface.ALTER_TABLE_ALTER_COLUMN_SELECTIVITY);
                command.setOldColumn(column);
                command.setSelectivity(readExpression());
                return command;
            } else {
                return parseAlterTableAlterColumnType(table, columnName, column);
            }
        }

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                DropIndex command = new DropIndex(session, table.getSchema());
                command.setIndexName(idx.getName());
                return command;
            } else {
                readIf("COLUMN");
                AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                command.setType(AlterTableAlterColumn.DROP);
                String columnName = readColumnIdentifier();
                command.setTable(table);
                command.setOldColumn(table.getColumn(columnName));
                return command;
            }
        } else if (readIf("ALTER")) {
            readIf("COLUMN");
            String columnName = readColumnIdentifier();
            Column column = table.getColumn(columnName);
            if (readIf("RENAME")) {
                read("TO");
                AlterTableRenameColumn command = new AlterTableRenameColumn(session);
                command.setTable(table);
                command.setColumn(column);
                String newName = readColumnIdentifier();
                command.setNewColumnName(newName);
                return command;
            } else if (readIf("DROP")) {
                // PostgreSQL compatibility
                if (readIf("DEFAULT")) {
                    AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                    command.setTable(table);
                    command.setOldColumn(column);
                    command.setType(AlterTableAlterColumn.DEFAULT);
                    command.setDefaultExpression(null);
                    return command;
                }
                read("NOT");
                read("NULL");
                AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                command.setTable(table);
                command.setOldColumn(column);
                command.setType(AlterTableAlterColumn.NULL);
                return command;
            } else if (readIf("TYPE")) {
                // PostgreSQL compatibility
                return parseAlterTableAlterColumnType(table, columnName, column);
            } else if (readIf("SET")) {
                if (readIf("DATA")) {
                    // Derby compatibility
                    read("TYPE");
                    return parseAlterTableAlterColumnType(table, columnName, column);
                }
                AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                command.setTable(table);
                command.setOldColumn(column);
                if (readIf("NULL")) {
                    command.setType(AlterTableAlterColumn.NULL);
                    return command;
                } else if (readIf("NOT")) {
                    read("NULL");
                    command.setType(AlterTableAlterColumn.NOT_NULL);
                    return command;
                } else if (readIf("DEFAULT")) {
                    Expression defaultExpression = readExpression();
                    command.setType(AlterTableAlterColumn.DEFAULT);
                    command.setDefaultExpression(defaultExpression);
                    return command;
                }
            } else if (readIf("RESTART")) {
                readIf("WITH");
                Expression start = readExpression();
                AlterSequence command = new AlterSequence(session, table.getSchema());
                command.setColumn(column);
                command.setStartWith(start);
                return command;
            } else if (readIf("SELECTIVITY")) {
                AlterTableAlterColumn command = new AlterTableAlterColumn(session, table.getSchema());
                command.setTable(table);
                command.setType(AlterTableAlterColumn.SELECTIVITY);
                command.setOldColumn(column);
                command.setSelectivity(readExpression());
                return command;
            } else {
                return parseAlterTableAlterColumnType(table, columnName, column);
            }
        }

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