Examples with CreateTableConstraintStep org.jooq.CreateTableConstraintStep used on opensource projects

Example 1 with CreateTableConstraintStep

use of org.jooq.CreateTableConstraintStep in project jOOQ by jOOQ.

the class ParserImpl method parseCreateTable.

private static final DDLQuery parseCreateTable(ParserContext ctx) {
    boolean ifNotExists = parseKeywordIf(ctx, "IF NOT EXISTS");
    Table<?> tableName = parseTableName(ctx);
    if (parseKeywordIf(ctx, "AS")) {
        Select<?> select = parseSelect(ctx);
        CreateTableAsStep<Record> s1 = ifNotExists ? ctx.dsl.createTableIfNotExists(tableName) : ctx.dsl.createTable(tableName);
        CreateTableFinalStep s2 = s1.as(select);
        return s2;
    } else {
        List<Field<?>> fields = new ArrayList<Field<?>>();
        List<Constraint> constraints = new ArrayList<Constraint>();
        boolean primary = false;
        boolean noConstraint = true;
        parse(ctx, '(');
        do {
            String fieldName = parseIdentifier(ctx);
            DataType<?> type = parseDataType(ctx);
            boolean nullable = false;
            boolean defaultValue = false;
            boolean unique = false;
            for (; ; ) {
                if (!nullable) {
                    if (parseKeywordIf(ctx, "NULL")) {
                        type = type.nullable(true);
                        nullable = true;
                        continue;
                    } else if (parseKeywordIf(ctx, "NOT NULL")) {
                        type = type.nullable(false);
                        nullable = true;
                        continue;
                    }
                }
                if (!defaultValue) {
                    if (parseKeywordIf(ctx, "DEFAULT")) {
                        type = type.defaultValue((Field) parseField(ctx));
                        defaultValue = true;
                        continue;
                    }
                }
                if (!unique) {
                    if (parseKeywordIf(ctx, "PRIMARY KEY")) {
                        constraints.add(primaryKey(fieldName));
                        primary = true;
                        unique = true;
                        continue;
                    } else if (parseKeywordIf(ctx, "UNIQUE")) {
                        constraints.add(unique(fieldName));
                        unique = true;
                        continue;
                    }
                }
                if (parseKeywordIf(ctx, "CHECK")) {
                    parse(ctx, '(');
                    constraints.add(check(parseCondition(ctx)));
                    parse(ctx, ')');
                    continue;
                }
                break;
            }
            fields.add(field(name(fieldName), type));
        } while (parseIf(ctx, ',') && (noConstraint = !peekKeyword(ctx, "PRIMARY KEY") && !peekKeyword(ctx, "UNIQUE") && !peekKeyword(ctx, "FOREIGN KEY") && !peekKeyword(ctx, "CHECK") && !peekKeyword(ctx, "CONSTRAINT")));
        if (!noConstraint) {
            do {
                ConstraintTypeStep constraint = null;
                if (parseKeywordIf(ctx, "CONSTRAINT"))
                    constraint = constraint(parseIdentifier(ctx));
                if (parseKeywordIf(ctx, "PRIMARY KEY")) {
                    if (primary) {
                        throw ctx.exception();
                    } else {
                        primary = true;
                        parse(ctx, '(');
                        Field<?>[] fieldNames = parseFieldNames(ctx).toArray(EMPTY_FIELD);
                        parse(ctx, ')');
                        constraints.add(constraint == null ? primaryKey(fieldNames) : constraint.primaryKey(fieldNames));
                    }
                } else if (parseKeywordIf(ctx, "UNIQUE")) {
                    parse(ctx, '(');
                    Field<?>[] fieldNames = parseFieldNames(ctx).toArray(EMPTY_FIELD);
                    parse(ctx, ')');
                    constraints.add(constraint == null ? unique(fieldNames) : constraint.unique(fieldNames));
                } else if (parseKeywordIf(ctx, "FOREIGN KEY")) {
                    parse(ctx, '(');
                    Field<?>[] referencing = parseFieldNames(ctx).toArray(EMPTY_FIELD);
                    parse(ctx, ')');
                    parseKeyword(ctx, "REFERENCES");
                    Table<?> referencedTable = parseTableName(ctx);
                    parse(ctx, '(');
                    Field<?>[] referencedFields = parseFieldNames(ctx).toArray(EMPTY_FIELD);
                    parse(ctx, ')');
                    if (referencing.length != referencedFields.length)
                        throw ctx.exception();
                    constraints.add(constraint == null ? foreignKey(referencing).references(referencedTable, referencedFields) : constraint.foreignKey(referencing).references(referencedTable, referencedFields));
                } else if (parseKeywordIf(ctx, "CHECK")) {
                    parse(ctx, '(');
                    Condition condition = parseCondition(ctx);
                    parse(ctx, ')');
                    constraints.add(constraint == null ? check(condition) : constraint.check(condition));
                } else {
                    throw ctx.unexpectedToken();
                }
            } while (parseIf(ctx, ','));
        }
        parse(ctx, ')');
        CreateTableAsStep<Record> s1 = ifNotExists ? ctx.dsl.createTableIfNotExists(tableName) : ctx.dsl.createTable(tableName);
        CreateTableColumnStep s2 = s1.columns(fields);
        CreateTableConstraintStep s3 = constraints.isEmpty() ? s2 : s2.constraints(constraints);
        return s3;
    }
}