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Example 11 with Call

use of org.h2.command.dml.Call in project h2database by h2database.

the class Parser method parsePrepared.

private Prepared parsePrepared() {
    int start = lastParseIndex;
    Prepared c = null;
    String token = currentToken;
    if (token.length() == 0) {
        c = new NoOperation(session);
    } else {
        char first = token.charAt(0);
        switch(first) {
            case '?':
                // read the ? as a parameter
                readTerm();
                // this is an 'out' parameter - set a dummy value
                parameters.get(0).setValue(ValueNull.INSTANCE);
                read("=");
                read("CALL");
                c = parseCall();
                break;
            case '(':
                c = parseSelect();
                break;
            case 'a':
            case 'A':
                if (readIf("ALTER")) {
                    c = parseAlter();
                } else if (readIf("ANALYZE")) {
                    c = parseAnalyze();
                }
                break;
            case 'b':
            case 'B':
                if (readIf("BACKUP")) {
                    c = parseBackup();
                } else if (readIf("BEGIN")) {
                    c = parseBegin();
                }
                break;
            case 'c':
            case 'C':
                if (readIf("COMMIT")) {
                    c = parseCommit();
                } else if (readIf("CREATE")) {
                    c = parseCreate();
                } else if (readIf("CALL")) {
                    c = parseCall();
                } else if (readIf("CHECKPOINT")) {
                    c = parseCheckpoint();
                } else if (readIf("COMMENT")) {
                    c = parseComment();
                }
                break;
            case 'd':
            case 'D':
                if (readIf("DELETE")) {
                    c = parseDelete();
                } else if (readIf("DROP")) {
                    c = parseDrop();
                } else if (readIf("DECLARE")) {
                    // support for DECLARE GLOBAL TEMPORARY TABLE...
                    c = parseCreate();
                } else if (readIf("DEALLOCATE")) {
                    c = parseDeallocate();
                }
                break;
            case 'e':
            case 'E':
                if (readIf("EXPLAIN")) {
                    c = parseExplain();
                } else if (readIf("EXECUTE")) {
                    c = parseExecute();
                }
                break;
            case 'f':
            case 'F':
                if (isToken("FROM")) {
                    c = parseSelect();
                }
                break;
            case 'g':
            case 'G':
                if (readIf("GRANT")) {
                    c = parseGrantRevoke(CommandInterface.GRANT);
                }
                break;
            case 'h':
            case 'H':
                if (readIf("HELP")) {
                    c = parseHelp();
                }
                break;
            case 'i':
            case 'I':
                if (readIf("INSERT")) {
                    c = parseInsert();
                }
                break;
            case 'm':
            case 'M':
                if (readIf("MERGE")) {
                    c = parseMerge();
                }
                break;
            case 'p':
            case 'P':
                if (readIf("PREPARE")) {
                    c = parsePrepare();
                }
                break;
            case 'r':
            case 'R':
                if (readIf("ROLLBACK")) {
                    c = parseRollback();
                } else if (readIf("REVOKE")) {
                    c = parseGrantRevoke(CommandInterface.REVOKE);
                } else if (readIf("RUNSCRIPT")) {
                    c = parseRunScript();
                } else if (readIf("RELEASE")) {
                    c = parseReleaseSavepoint();
                } else if (readIf("REPLACE")) {
                    c = parseReplace();
                }
                break;
            case 's':
            case 'S':
                if (isToken("SELECT")) {
                    c = parseSelect();
                } else if (readIf("SET")) {
                    c = parseSet();
                } else if (readIf("SAVEPOINT")) {
                    c = parseSavepoint();
                } else if (readIf("SCRIPT")) {
                    c = parseScript();
                } else if (readIf("SHUTDOWN")) {
                    c = parseShutdown();
                } else if (readIf("SHOW")) {
                    c = parseShow();
                }
                break;
            case 't':
            case 'T':
                if (readIf("TRUNCATE")) {
                    c = parseTruncate();
                }
                break;
            case 'u':
            case 'U':
                if (readIf("UPDATE")) {
                    c = parseUpdate();
                } else if (readIf("USE")) {
                    c = parseUse();
                }
                break;
            case 'v':
            case 'V':
                if (readIf("VALUES")) {
                    c = parseValues();
                }
                break;
            case 'w':
            case 'W':
                if (readIf("WITH")) {
                    c = parseWithStatementOrQuery();
                }
                break;
            case ';':
                c = new NoOperation(session);
                break;
            default:
                throw getSyntaxError();
        }
        if (indexedParameterList != null) {
            for (int i = 0, size = indexedParameterList.size(); i < size; i++) {
                if (indexedParameterList.get(i) == null) {
                    indexedParameterList.set(i, new Parameter(i));
                }
            }
            parameters = indexedParameterList;
        }
        if (readIf("{")) {
            do {
                int index = (int) readLong() - 1;
                if (index < 0 || index >= parameters.size()) {
                    throw getSyntaxError();
                }
                Parameter p = parameters.get(index);
                if (p == null) {
                    throw getSyntaxError();
                }
                read(":");
                Expression expr = readExpression();
                expr = expr.optimize(session);
                p.setValue(expr.getValue(session));
            } while (readIf(","));
            read("}");
            for (Parameter p : parameters) {
                p.checkSet();
            }
            parameters.clear();
        }
    }
    if (c == null) {
        throw getSyntaxError();
    }
    setSQL(c, null, start);
    return c;
}
Also used : NoOperation(org.h2.command.dml.NoOperation) Expression(org.h2.expression.Expression) ValueExpression(org.h2.expression.ValueExpression) Parameter(org.h2.expression.Parameter) ConditionInParameter(org.h2.expression.ConditionInParameter) ValueString(org.h2.value.ValueString) AlterTableRenameConstraint(org.h2.command.ddl.AlterTableRenameConstraint) AlterTableAddConstraint(org.h2.command.ddl.AlterTableAddConstraint) AlterTableDropConstraint(org.h2.command.ddl.AlterTableDropConstraint)

Example 12 with Call

use of org.h2.command.dml.Call in project h2database by h2database.

the class Parser method parseCreateTrigger.

private CreateTrigger parseCreateTrigger(boolean force) {
    boolean ifNotExists = readIfNotExists();
    String triggerName = readIdentifierWithSchema(null);
    Schema schema = getSchema();
    boolean insteadOf, isBefore;
    if (readIf("INSTEAD")) {
        read("OF");
        isBefore = true;
        insteadOf = true;
    } else if (readIf("BEFORE")) {
        insteadOf = false;
        isBefore = true;
    } else {
        read("AFTER");
        insteadOf = false;
        isBefore = false;
    }
    int typeMask = 0;
    boolean onRollback = false;
    do {
        if (readIf("INSERT")) {
            typeMask |= Trigger.INSERT;
        } else if (readIf("UPDATE")) {
            typeMask |= Trigger.UPDATE;
        } else if (readIf("DELETE")) {
            typeMask |= Trigger.DELETE;
        } else if (readIf("SELECT")) {
            typeMask |= Trigger.SELECT;
        } else if (readIf("ROLLBACK")) {
            onRollback = true;
        } else {
            throw getSyntaxError();
        }
    } while (readIf(","));
    read("ON");
    String tableName = readIdentifierWithSchema();
    checkSchema(schema);
    CreateTrigger command = new CreateTrigger(session, getSchema());
    command.setForce(force);
    command.setTriggerName(triggerName);
    command.setIfNotExists(ifNotExists);
    command.setInsteadOf(insteadOf);
    command.setBefore(isBefore);
    command.setOnRollback(onRollback);
    command.setTypeMask(typeMask);
    command.setTableName(tableName);
    if (readIf("FOR")) {
        read("EACH");
        read("ROW");
        command.setRowBased(true);
    } else {
        command.setRowBased(false);
    }
    if (readIf("QUEUE")) {
        command.setQueueSize(readPositiveInt());
    }
    command.setNoWait(readIf("NOWAIT"));
    if (readIf("AS")) {
        command.setTriggerSource(readString());
    } else {
        read("CALL");
        command.setTriggerClassName(readUniqueIdentifier());
    }
    return command;
}
Also used : CreateTrigger(org.h2.command.ddl.CreateTrigger) DropSchema(org.h2.command.ddl.DropSchema) CreateSchema(org.h2.command.ddl.CreateSchema) Schema(org.h2.schema.Schema) ValueString(org.h2.value.ValueString) AlterTableRenameConstraint(org.h2.command.ddl.AlterTableRenameConstraint) AlterTableAddConstraint(org.h2.command.ddl.AlterTableAddConstraint) AlterTableDropConstraint(org.h2.command.ddl.AlterTableDropConstraint)

Example 13 with Call

use of org.h2.command.dml.Call in project h2database by h2database.

the class Bnf method visit.

/**
 * Parse the syntax and let the rule call the visitor.
 *
 * @param visitor the visitor
 * @param s the syntax to parse
 */
public void visit(BnfVisitor visitor, String s) {
    this.syntax = s;
    tokens = tokenize();
    index = 0;
    Rule rule = parseRule();
    rule.setLinks(ruleMap);
    rule.accept(visitor);
}
Also used : DbContextRule(org.h2.bnf.context.DbContextRule)

Example 14 with Call

use of org.h2.command.dml.Call in project h2database by h2database.

the class Insert method prepareUpdateCondition.

private Expression prepareUpdateCondition(Index foundIndex) {
    // MVPrimaryIndex is playing fast and loose with it's implementation of
    // the Index interface.
    // It returns all of the columns in the table when we call
    // getIndexColumns() or getColumns().
    // Don't have time right now to fix that, so just special-case it.
    final Column[] indexedColumns;
    if (foundIndex instanceof MVPrimaryIndex) {
        MVPrimaryIndex foundMV = (MVPrimaryIndex) foundIndex;
        indexedColumns = new Column[] { foundMV.getIndexColumns()[foundMV.getMainIndexColumn()].column };
    } else {
        indexedColumns = foundIndex.getColumns();
    }
    Expression[] row = list.get(getCurrentRowNumber() - 1);
    Expression condition = null;
    for (Column column : indexedColumns) {
        ExpressionColumn expr = new ExpressionColumn(session.getDatabase(), table.getSchema().getName(), table.getName(), column.getName());
        for (int i = 0; i < columns.length; i++) {
            if (expr.getColumnName().equals(columns[i].getName())) {
                if (condition == null) {
                    condition = new Comparison(session, Comparison.EQUAL, expr, row[i]);
                } else {
                    condition = new ConditionAndOr(ConditionAndOr.AND, condition, new Comparison(session, Comparison.EQUAL, expr, row[i]));
                }
                break;
            }
        }
    }
    return condition;
}
Also used : Column(org.h2.table.Column) ExpressionColumn(org.h2.expression.ExpressionColumn) Expression(org.h2.expression.Expression) Comparison(org.h2.expression.Comparison) MVPrimaryIndex(org.h2.mvstore.db.MVPrimaryIndex) ConditionAndOr(org.h2.expression.ConditionAndOr) ExpressionColumn(org.h2.expression.ExpressionColumn)

Example 15 with Call

use of org.h2.command.dml.Call in project h2database by h2database.

the class ScriptCommand method query.

@Override
public ResultInterface query(int maxrows) {
    session.getUser().checkAdmin();
    reset();
    Database db = session.getDatabase();
    if (schemaNames != null) {
        for (String schemaName : schemaNames) {
            Schema schema = db.findSchema(schemaName);
            if (schema == null) {
                throw DbException.get(ErrorCode.SCHEMA_NOT_FOUND_1, schemaName);
            }
        }
    }
    try {
        result = createResult();
        deleteStore();
        openOutput();
        if (out != null) {
            buffer = new byte[Constants.IO_BUFFER_SIZE];
        }
        if (settings) {
            for (Setting setting : db.getAllSettings()) {
                if (setting.getName().equals(SetTypes.getTypeName(SetTypes.CREATE_BUILD))) {
                    // (it is only set when creating the database)
                    continue;
                }
                add(setting.getCreateSQL(), false);
            }
        }
        if (out != null) {
            add("", true);
        }
        for (User user : db.getAllUsers()) {
            add(user.getCreateSQL(passwords), false);
        }
        for (Role role : db.getAllRoles()) {
            add(role.getCreateSQL(true), false);
        }
        for (Schema schema : db.getAllSchemas()) {
            if (excludeSchema(schema)) {
                continue;
            }
            add(schema.getCreateSQL(), false);
        }
        for (UserDataType datatype : db.getAllUserDataTypes()) {
            if (drop) {
                add(datatype.getDropSQL(), false);
            }
            add(datatype.getCreateSQL(), false);
        }
        for (SchemaObject obj : db.getAllSchemaObjects(DbObject.CONSTANT)) {
            if (excludeSchema(obj.getSchema())) {
                continue;
            }
            Constant constant = (Constant) obj;
            add(constant.getCreateSQL(), false);
        }
        final ArrayList<Table> tables = db.getAllTablesAndViews(false);
        // sort by id, so that views are after tables and views on views
        // after the base views
        Collections.sort(tables, new Comparator<Table>() {

            @Override
            public int compare(Table t1, Table t2) {
                return t1.getId() - t2.getId();
            }
        });
        // Generate the DROP XXX  ... IF EXISTS
        for (Table table : tables) {
            if (excludeSchema(table.getSchema())) {
                continue;
            }
            if (excludeTable(table)) {
                continue;
            }
            if (table.isHidden()) {
                continue;
            }
            table.lock(session, false, false);
            String sql = table.getCreateSQL();
            if (sql == null) {
                // null for metadata tables
                continue;
            }
            if (drop) {
                add(table.getDropSQL(), false);
            }
        }
        for (SchemaObject obj : db.getAllSchemaObjects(DbObject.FUNCTION_ALIAS)) {
            if (excludeSchema(obj.getSchema())) {
                continue;
            }
            if (drop) {
                add(obj.getDropSQL(), false);
            }
            add(obj.getCreateSQL(), false);
        }
        for (UserAggregate agg : db.getAllAggregates()) {
            if (drop) {
                add(agg.getDropSQL(), false);
            }
            add(agg.getCreateSQL(), false);
        }
        for (SchemaObject obj : db.getAllSchemaObjects(DbObject.SEQUENCE)) {
            if (excludeSchema(obj.getSchema())) {
                continue;
            }
            Sequence sequence = (Sequence) obj;
            if (drop) {
                add(sequence.getDropSQL(), false);
            }
            add(sequence.getCreateSQL(), false);
        }
        // Generate CREATE TABLE and INSERT...VALUES
        int count = 0;
        for (Table table : tables) {
            if (excludeSchema(table.getSchema())) {
                continue;
            }
            if (excludeTable(table)) {
                continue;
            }
            if (table.isHidden()) {
                continue;
            }
            table.lock(session, false, false);
            String createTableSql = table.getCreateSQL();
            if (createTableSql == null) {
                // null for metadata tables
                continue;
            }
            final TableType tableType = table.getTableType();
            add(createTableSql, false);
            final ArrayList<Constraint> constraints = table.getConstraints();
            if (constraints != null) {
                for (Constraint constraint : constraints) {
                    if (Constraint.Type.PRIMARY_KEY == constraint.getConstraintType()) {
                        add(constraint.getCreateSQLWithoutIndexes(), false);
                    }
                }
            }
            if (TableType.TABLE == tableType) {
                if (table.canGetRowCount()) {
                    String rowcount = "-- " + table.getRowCountApproximation() + " +/- SELECT COUNT(*) FROM " + table.getSQL();
                    add(rowcount, false);
                }
                if (data) {
                    count = generateInsertValues(count, table);
                }
            }
            final ArrayList<Index> indexes = table.getIndexes();
            for (int j = 0; indexes != null && j < indexes.size(); j++) {
                Index index = indexes.get(j);
                if (!index.getIndexType().getBelongsToConstraint()) {
                    add(index.getCreateSQL(), false);
                }
            }
        }
        if (tempLobTableCreated) {
            add("DROP TABLE IF EXISTS SYSTEM_LOB_STREAM", true);
            add("CALL SYSTEM_COMBINE_BLOB(-1)", true);
            add("DROP ALIAS IF EXISTS SYSTEM_COMBINE_CLOB", true);
            add("DROP ALIAS IF EXISTS SYSTEM_COMBINE_BLOB", true);
            tempLobTableCreated = false;
        }
        // Generate CREATE CONSTRAINT ...
        final ArrayList<SchemaObject> constraints = db.getAllSchemaObjects(DbObject.CONSTRAINT);
        Collections.sort(constraints, new Comparator<SchemaObject>() {

            @Override
            public int compare(SchemaObject c1, SchemaObject c2) {
                return ((Constraint) c1).compareTo((Constraint) c2);
            }
        });
        for (SchemaObject obj : constraints) {
            if (excludeSchema(obj.getSchema())) {
                continue;
            }
            Constraint constraint = (Constraint) obj;
            if (excludeTable(constraint.getTable())) {
                continue;
            }
            if (constraint.getTable().isHidden()) {
                continue;
            }
            if (Constraint.Type.PRIMARY_KEY != constraint.getConstraintType()) {
                add(constraint.getCreateSQLWithoutIndexes(), false);
            }
        }
        // Generate CREATE TRIGGER ...
        for (SchemaObject obj : db.getAllSchemaObjects(DbObject.TRIGGER)) {
            if (excludeSchema(obj.getSchema())) {
                continue;
            }
            TriggerObject trigger = (TriggerObject) obj;
            if (excludeTable(trigger.getTable())) {
                continue;
            }
            add(trigger.getCreateSQL(), false);
        }
        // Generate GRANT ...
        for (Right right : db.getAllRights()) {
            DbObject object = right.getGrantedObject();
            if (object != null) {
                if (object instanceof Schema) {
                    if (excludeSchema((Schema) object)) {
                        continue;
                    }
                } else if (object instanceof Table) {
                    Table table = (Table) object;
                    if (excludeSchema(table.getSchema())) {
                        continue;
                    }
                    if (excludeTable(table)) {
                        continue;
                    }
                }
            }
            add(right.getCreateSQL(), false);
        }
        // Generate COMMENT ON ...
        for (Comment comment : db.getAllComments()) {
            add(comment.getCreateSQL(), false);
        }
        if (out != null) {
            out.close();
        }
    } catch (IOException e) {
        throw DbException.convertIOException(e, getFileName());
    } finally {
        closeIO();
    }
    result.done();
    LocalResult r = result;
    reset();
    return r;
}
Also used : SchemaObject(org.h2.schema.SchemaObject) User(org.h2.engine.User) Constraint(org.h2.constraint.Constraint) Constant(org.h2.schema.Constant) Schema(org.h2.schema.Schema) Right(org.h2.engine.Right) TriggerObject(org.h2.schema.TriggerObject) Index(org.h2.index.Index) ValueString(org.h2.value.ValueString) LocalResult(org.h2.result.LocalResult) Database(org.h2.engine.Database) Comment(org.h2.engine.Comment) Table(org.h2.table.Table) TableType(org.h2.table.TableType) DbObject(org.h2.engine.DbObject) Setting(org.h2.engine.Setting) UserDataType(org.h2.engine.UserDataType) Sequence(org.h2.schema.Sequence) IOException(java.io.IOException) Constraint(org.h2.constraint.Constraint) Role(org.h2.engine.Role) UserAggregate(org.h2.engine.UserAggregate)

Aggregations

Task (org.h2.util.Task)69 Connection (java.sql.Connection)68 Statement (java.sql.Statement)64 PreparedStatement (java.sql.PreparedStatement)60 ResultSet (java.sql.ResultSet)48 SQLException (java.sql.SQLException)42 AtomicInteger (java.util.concurrent.atomic.AtomicInteger)24 SimpleResultSet (org.h2.tools.SimpleResultSet)24 MVStore (org.h2.mvstore.MVStore)20 Random (java.util.Random)19 JdbcConnection (org.h2.jdbc.JdbcConnection)19 CallableStatement (java.sql.CallableStatement)14 DbException (org.h2.message.DbException)13 IOException (java.io.IOException)10 JdbcSQLException (org.h2.jdbc.JdbcSQLException)7 ArrayList (java.util.ArrayList)6 Expression (org.h2.expression.Expression)6 ValueString (org.h2.value.ValueString)6 ByteArrayOutputStream (java.io.ByteArrayOutputStream)4 OutputStream (java.io.OutputStream)4