net.sf.jsqlparser.expression.NullValue Java Examples

The following examples show how to use net.sf.jsqlparser.expression.NullValue. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source Project: SpringBootLearn Author: LiHaodong888 File: MyTenantHandler.java License: Apache License 2.0

5 votes

/**
 * 租户Id
 *
 * @return
 */
@Override
public Expression getTenantId() {
    // 从当前系统上下文中取出当前请求的服务商ID，通过解析器注入到SQL中。
    Long tenantId = apiContext.getCurrentTenantId();
    log.debug("当前租户为{}", tenantId);
    if (tenantId == null) {
        return new NullValue();
    }
    return new LongValue(tenantId);
}

Example #2

Source Project: microservices-platform Author: zlt2000 File: TenantAutoConfigure.java License: Apache License 2.0

5 votes

@Bean
public TenantHandler tenantHandler() {
    return new TenantHandler() {
        /**
         * 获取租户id
         */
        @Override
        public Expression getTenantId(boolean where) {
            String tenant = TenantContextHolder.getTenant();
            if (tenant != null) {
                return new StringValue(TenantContextHolder.getTenant());
            }
            return new NullValue();
        }

        /**
         * 获取租户列名
         */
        @Override
        public String getTenantIdColumn() {
            return "tenant_id";
        }

        /**
         * 过滤不需要根据租户隔离的表
         * @param tableName 表名
         */
        @Override
        public boolean doTableFilter(String tableName) {
            return tenantProperties.getIgnoreTables().stream().anyMatch(
                    (e) -> e.equalsIgnoreCase(tableName)
            );
        }
    };
}

Example #3

Source Project: pre Author: LiHaodong888 File: PreTenantHandler.java License: GNU General Public License v3.0

5 votes

/**
 * 租户Id
 *
 * @return
 */
@Override
public Expression getTenantId(boolean where) {
    Long tenantId = PreTenantContextHolder.getCurrentTenantId();
    log.debug("当前租户为{}", tenantId);
    if (tenantId == null) {
        return new NullValue();
    }
    return new LongValue(tenantId);
}

Example #4

Source Project: herddb Author: diennea File: SQLRecordPredicate.java License: Apache License 2.0

5 votes

static boolean isConstant(Expression exp) {
    return exp instanceof StringValue
            || exp instanceof LongValue
            || exp instanceof NullValue
            || exp instanceof TimestampValue
            || exp instanceof JdbcParameter;
}

Example #5

Source Project: sqlhelper Author: fangjinuo File: NullExpressionConverter.java License: GNU Lesser General Public License v3.0

4 votes

@Override
public NullValue toJSqlParserExpression(NullExpression expression) {
    return new NullValue();
}

Example #6

Source Project: sqlhelper Author: fangjinuo File: NullExpressionConverter.java License: GNU Lesser General Public License v3.0

4 votes

@Override
public NullExpression fromJSqlParserExpression(NullValue expression) {
    return null;
}

Example #7

Source Project: sqlhelper Author: fangjinuo File: NullExpressionConverter.java License: GNU Lesser General Public License v3.0

4 votes

@Override
public Class<NullValue> getJSqlParserExpressionClass() {
    return NullValue.class;
}

Example #8

Source Project: DataPermissionHelper Author: holyliao File: ExpressionVisitorImpl.java License: Apache License 2.0

4 votes

@Override
public void visit(NullValue nullValue) {
}

Example #9

Source Project: spanner-jdbc Author: olavloite File: AbstractSpannerExpressionVisitorAdapter.java License: MIT License

4 votes

@Override
public void visit(NullValue value) {
  setValue(null, null);
}

Example #10

Source Project: spanner-jdbc Author: olavloite File: DMLWhereClauseVisitorAdapter.java License: MIT License

4 votes

@Override
public void visit(NullValue value) {
  invalid = true;
  super.visit(value);
}

Example #11

Source Project: quetzal Author: Quetzal-RDF File: CTEToNestedQueryConverter.java License: Eclipse Public License 2.0

4 votes

@Override
public void visit(NullValue nullValue) {
	clear();
	defaultTopLevelProcessing(nullValue);
}