Examples with InsertExecutablePreparedStatement liquibase.statement.InsertExecutablePreparedStatement used on opensource projects

Example 1 with InsertExecutablePreparedStatement

use of liquibase.statement.InsertExecutablePreparedStatement in project liquibase by liquibase.

the class InsertDataChange method generateStatements.

@Override
public SqlStatement[] generateStatements(Database database) {
    boolean needsPreparedStatement = false;
    for (ColumnConfig column : columns) {
        if (column.getValueBlobFile() != null) {
            needsPreparedStatement = true;
        }
        if (column.getValueClobFile() != null) {
            needsPreparedStatement = true;
        }
        if (!needsPreparedStatement && database instanceof InformixDatabase) {
            if (column.getValue() != null) {
                try {
                    Column snapshot = SnapshotGeneratorFactory.getInstance().createSnapshot(new Column(column), database);
                    if (snapshot != null) {
                        needsPreparedStatement = true;
                    }
                } catch (Exception ignore) {
                //assume it's not a clob
                }
            }
        }
    }
    if (needsPreparedStatement) {
        return new SqlStatement[] { new InsertExecutablePreparedStatement(database, catalogName, schemaName, tableName, columns, getChangeSet(), this.getResourceAccessor()) };
    }
    InsertStatement statement = new InsertStatement(getCatalogName(), getSchemaName(), getTableName());
    for (ColumnConfig column : columns) {
        if (database.supportsAutoIncrement() && column.isAutoIncrement() != null && column.isAutoIncrement()) {
            // skip auto increment columns as they will be generated by the database
            continue;
        }
        statement.addColumnValue(column.getName(), column.getValueObject());
    }
    return new SqlStatement[] { statement };
}

Example 2 with InsertExecutablePreparedStatement

use of liquibase.statement.InsertExecutablePreparedStatement in project liquibase by liquibase.

the class LoadDataChange method generateStatements.

@Override
public SqlStatement[] generateStatements(Database database) {
    CSVReader reader = null;
    try {
        reader = getCSVReader();
        if (reader == null) {
            throw new UnexpectedLiquibaseException("Unable to read file " + this.getFile());
        }
        String[] headers = reader.readNext();
        if (headers == null) {
            throw new UnexpectedLiquibaseException("Data file " + getFile() + " was empty");
        }
        List<SqlStatement> statements = new ArrayList<SqlStatement>();
        boolean anyPreparedStatements = false;
        String[] line;
        // Start at '1' to take into account the header (already processed)
        int lineNumber = 1;
        boolean isCommentingEnabled = StringUtils.isNotEmpty(commentLineStartsWith);
        while ((line = reader.readNext()) != null) {
            lineNumber++;
            if (line.length == 0 || (line.length == 1 && StringUtils.trimToNull(line[0]) == null) || (isCommentingEnabled && isLineCommented(line))) {
                //nothing on this line
                continue;
            }
            // (Failure could indicate unquoted strings with commas, for example).
            if (line.length != headers.length) {
                throw new UnexpectedLiquibaseException("CSV file " + getFile() + " Line " + lineNumber + " has " + line.length + " values defined, Header has " + headers.length + ". Numbers MUST be equal (check for unquoted string with embedded commas)");
            }
            boolean needsPreparedStatement = false;
            List<ColumnConfig> columns = new ArrayList<ColumnConfig>();
            for (int i = 0; i < headers.length; i++) {
                Object value = line[i];
                String columnName = headers[i].trim();
                ColumnConfig valueConfig = new ColumnConfig();
                ColumnConfig columnConfig = getColumnConfig(i, headers[i].trim());
                if (columnConfig != null) {
                    if ("skip".equalsIgnoreCase(columnConfig.getType())) {
                        continue;
                    }
                    // don't overwrite header name unless there is actually a value to override it with
                    if (columnConfig.getName() != null) {
                        columnName = columnConfig.getName();
                    }
                    valueConfig.setName(columnName);
                    if (columnConfig.getType() != null) {
                        if (columnConfig.getType().equalsIgnoreCase("BOOLEAN")) {
                            if (value.toString().equalsIgnoreCase("NULL")) {
                                valueConfig.setValue(null);
                            } else {
                                valueConfig.setValueBoolean(BooleanParser.parseBoolean(value.toString().toLowerCase()));
                            }
                        } else if (columnConfig.getType().equalsIgnoreCase("NUMERIC")) {
                            if (value.toString().equalsIgnoreCase("NULL")) {
                                valueConfig.setValue(null);
                            } else {
                                valueConfig.setValueNumeric(value.toString());
                            }
                        } else if (columnConfig.getType().toLowerCase().contains("date") || columnConfig.getType().toLowerCase().contains("time")) {
                            if (value.toString().equalsIgnoreCase("NULL")) {
                                valueConfig.setValue(null);
                            } else {
                                valueConfig.setValueDate(value.toString());
                            }
                        } else if (columnConfig.getType().equalsIgnoreCase("STRING")) {
                            if (value.toString().equalsIgnoreCase("NULL")) {
                                valueConfig.setValue(null);
                            } else {
                                valueConfig.setValue(value.toString());
                            }
                        } else if (columnConfig.getType().equalsIgnoreCase("COMPUTED")) {
                            if (value.toString().equalsIgnoreCase("NULL")) {
                                valueConfig.setValue(null);
                            } else {
                                liquibase.statement.DatabaseFunction function = new liquibase.statement.DatabaseFunction(value.toString());
                                valueConfig.setValueComputed(function);
                            }
                        } else if (columnConfig.getType().equalsIgnoreCase("SEQUENCE")) {
                            String sequenceName;
                            if (value.toString().equalsIgnoreCase("NULL")) {
                                sequenceName = columnConfig.getDefaultValue();
                                if (sequenceName == null) {
                                    throw new UnexpectedLiquibaseException("Must set a sequence name in the loadData column defaultValue attribute");
                                }
                            } else {
                                sequenceName = value.toString();
                            }
                            liquibase.statement.SequenceNextValueFunction function = new liquibase.statement.SequenceNextValueFunction(sequenceName);
                            valueConfig.setValueComputed(function);
                        } else if (columnConfig.getType().equalsIgnoreCase("BLOB")) {
                            if (value.toString().equalsIgnoreCase("NULL")) {
                                valueConfig.setValue(null);
                            } else {
                                valueConfig.setValueBlobFile(value.toString());
                                needsPreparedStatement = true;
                            }
                        } else if (columnConfig.getType().equalsIgnoreCase("CLOB")) {
                            if (value.toString().equalsIgnoreCase("NULL")) {
                                valueConfig.setValue(null);
                            } else {
                                valueConfig.setValueClobFile(value.toString());
                                needsPreparedStatement = true;
                            }
                        } else {
                            throw new UnexpectedLiquibaseException("loadData type of " + columnConfig.getType() + " is not supported.  Please use BOOLEAN, NUMERIC, DATE, STRING, COMPUTED, SEQUENCE or SKIP");
                        }
                    }
                } else {
                    if (columnName.contains("(") || columnName.contains(")") && database instanceof AbstractJdbcDatabase) {
                        columnName = ((AbstractJdbcDatabase) database).quoteObject(columnName, Column.class);
                    }
                    valueConfig.setName(columnName);
                    if (value == null || value.toString().equalsIgnoreCase("NULL")) {
                        // value is always going to be a string unless overridden by ColumnConfig
                        valueConfig.setValue((String) value);
                    } else {
                        valueConfig.setValue(value.toString());
                    }
                }
                columns.add(valueConfig);
            }
            if (needsPreparedStatement) {
                anyPreparedStatements = true;
                statements.add(new InsertExecutablePreparedStatement(database, getCatalogName(), getSchemaName(), getTableName(), columns, getChangeSet(), getResourceAccessor()));
            } else {
                InsertStatement insertStatement = this.createStatement(getCatalogName(), getSchemaName(), getTableName());
                for (ColumnConfig column : columns) {
                    String columnName = column.getName();
                    Object value = column.getValueObject();
                    if (value == null) {
                        value = "NULL";
                    }
                    insertStatement.addColumnValue(columnName, value);
                }
                statements.add(insertStatement);
            }
        }
        if (anyPreparedStatements) {
            return statements.toArray(new SqlStatement[statements.size()]);
        } else {
            InsertSetStatement statementSet = this.createStatementSet(getCatalogName(), getSchemaName(), getTableName());
            for (SqlStatement stmt : statements) {
                statementSet.addInsertStatement((InsertStatement) stmt);
            }
            if (database instanceof MSSQLDatabase || database instanceof MySQLDatabase || database instanceof PostgresDatabase) {
                List<InsertStatement> innerStatements = statementSet.getStatements();
                if (innerStatements != null && innerStatements.size() > 0 && innerStatements.get(0) instanceof InsertOrUpdateStatement) {
                    //cannot do insert or update in a single statement
                    return statementSet.getStatementsArray();
                }
                // we only return a single "statement" - it's capable of emitting multiple sub-statements, should the need arise, on generation.
                return new SqlStatement[] { statementSet };
            } else {
                return statementSet.getStatementsArray();
            }
        }
    } catch (IOException e) {
        throw new RuntimeException(e);
    } catch (UnexpectedLiquibaseException ule) {
        if (getChangeSet() != null && getChangeSet().getFailOnError() != null && !getChangeSet().getFailOnError()) {
            Logger log = LogFactory.getLogger();
            log.info("Change set " + getChangeSet().toString(false) + " failed, but failOnError was false.  Error: " + ule.getMessage());
            return new SqlStatement[0];
        } else {
            throw ule;
        }
    } finally {
        if (null != reader) {
            try {
                reader.close();
            } catch (IOException e) {
                ;
            }
        }
    }
}