聚合查询.aggregate

Testing Is Documentation

tests/Database/Read/AggregateTest.php

Uses

<?php
use Tests\Database\DatabaseTestCase as TestCase;

findCount 查询数量

public function testCount(): void
{
    $connect = $this->createDatabaseConnectMock();
    $sql = <<<'eot'
        [
            "SELECT COUNT(*) AS row_count FROM `test_query` LIMIT 1",
            [],
            false
        ]
        eot;
    $this->assertSame(
        $sql,
        $this->varJson(
            $connect
                ->sql()
                ->table('test_query')
                ->findCount()
        )
    );
}

count.find 查询数量

public function testCount2(): void
{
    $connect = $this->createDatabaseConnectMock();
    $sql = <<<'eot'
        [
            "SELECT COUNT(*) AS row_count FROM `test_query` LIMIT 1",
            [],
            false
        ]
        eot;
    $this->assertSame(
        $sql,
        $this->varJson(
            $connect
                ->sql()
                ->table('test_query')
                ->count()
                ->find(),
            1
        )
    );
}

findCount 查询数量指定字段和别名

public function testCount3(): void
{
    $connect = $this->createDatabaseConnectMock();
    $sql = <<<'eot'
        [
            "SELECT COUNT(*) AS row_count2 FROM `test_query` LIMIT 1",
            [],
            false
        ]
        eot;
    $this->assertSame(
        $sql,
        $this->varJson(
            $connect
                ->sql()
                ->table('test_query')
                ->findCount('*', 'row_count2'),
            2
        )
    );
}

findAvg 查询平均值

public function testAvg(): void
{
    $connect = $this->createDatabaseConnectMock();
    $sql = <<<'eot'
        [
            "SELECT AVG(`test_query`.`num`) AS avg_value FROM `test_query` LIMIT 1",
            [],
            false
        ]
        eot;
    $this->assertSame(
        $sql,
        $this->varJson(
            $connect
                ->sql()
                ->table('test_query')
                ->findAvg('num')
        )
    );
}

avg.find 查询平均值

public function testAvg2(): void
{
    $connect = $this->createDatabaseConnectMock();
    $sql = <<<'eot'
        [
            "SELECT AVG(`test_query`.`num`) AS avg_value FROM `test_query` LIMIT 1",
            [],
            false
        ]
        eot;
    $this->assertSame(
        $sql,
        $this->varJson(
            $connect
                ->sql()
                ->table('test_query')
                ->avg('num')
                ->find(),
            1
        )
    );
}

findAvg 查询平均值指定字段和别名

public function testAvg3(): void
{
    $connect = $this->createDatabaseConnectMock();
    $sql = <<<'eot'
        [
            "SELECT AVG(`test_query`.`num`) AS avg_value2 FROM `test_query` LIMIT 1",
            [],
            false
        ]
        eot;
    $this->assertSame(
        $sql,
        $this->varJson(
            $connect
                ->sql()
                ->table('test_query')
                ->findAvg('num', 'avg_value2'),
            2
        )
    );
}

findMax 查询最大值

public function testMax(): void
{
    $connect = $this->createDatabaseConnectMock();
    $sql = <<<'eot'
        [
            "SELECT MAX(`test_query`.`num`) AS max_value FROM `test_query` LIMIT 1",
            [],
            false
        ]
        eot;
    $this->assertSame(
        $sql,
        $this->varJson(
            $connect
                ->sql()
                ->table('test_query')
                ->findMax('num')
        )
    );
}

max.find 查询最大值

public function testMax2(): void
{
    $connect = $this->createDatabaseConnectMock();
    $sql = <<<'eot'
        [
            "SELECT MAX(`test_query`.`num`) AS max_value FROM `test_query` LIMIT 1",
            [],
            false
        ]
        eot;
    $this->assertSame(
        $sql,
        $this->varJson(
            $connect
                ->sql()
                ->table('test_query')
                ->max('num')
                ->find(),
            1
        )
    );
}

findMax 查询最大值指定字段和别名

public function testMax3(): void
{
    $connect = $this->createDatabaseConnectMock();
    $sql = <<<'eot'
        [
            "SELECT MAX(`test_query`.`num`) AS max_value2 FROM `test_query` LIMIT 1",
            [],
            false
        ]
        eot;
    $this->assertSame(
        $sql,
        $this->varJson(
            $connect
                ->sql()
                ->table('test_query')
                ->findMax('num', 'max_value2'),
            2
        )
    );
}

findMin 查询最小值

public function testMin(): void
{
    $connect = $this->createDatabaseConnectMock();
    $sql = <<<'eot'
        [
            "SELECT MIN(`test_query`.`num`) AS min_value FROM `test_query` LIMIT 1",
            [],
            false
        ]
        eot;
    $this->assertSame(
        $sql,
        $this->varJson(
            $connect
                ->sql()
                ->table('test_query')
                ->findMin('num')
        )
    );
}

min.find 查询最小值

public function testMin2(): void
{
    $connect = $this->createDatabaseConnectMock();
    $sql = <<<'eot'
        [
            "SELECT MIN(`test_query`.`num`) AS min_value FROM `test_query` LIMIT 1",
            [],
            false
        ]
        eot;
    $this->assertSame(
        $sql,
        $this->varJson(
            $connect
                ->sql()
                ->table('test_query')
                ->min('num')
                ->find(),
            1
        )
    );
}

findMin 查询最小值指定字段和别名

public function testMin3(): void
{
    $connect = $this->createDatabaseConnectMock();
    $sql = <<<'eot'
        [
            "SELECT MIN(`test_query`.`num`) AS min_value2 FROM `test_query` LIMIT 1",
            [],
            false
        ]
        eot;
    $this->assertSame(
        $sql,
        $this->varJson(
            $connect
                ->sql()
                ->table('test_query')
                ->findMin('num', 'min_value2'),
            2
        )
    );
}

findSum 查询合计

public function testSum(): void
{
    $connect = $this->createDatabaseConnectMock();
    $sql = <<<'eot'
        [
            "SELECT SUM(`test_query`.`num`) AS sum_value FROM `test_query` LIMIT 1",
            [],
            false
        ]
        eot;
    $this->assertSame(
        $sql,
        $this->varJson(
            $connect
                ->sql()
                ->table('test_query')
                ->findSum('num')
        )
    );
}

sum.find 查询合计

public function testSum2(): void
{
    $connect = $this->createDatabaseConnectMock();
    $sql = <<<'eot'
        [
            "SELECT SUM(`test_query`.`num`) AS sum_value FROM `test_query` LIMIT 1",
            [],
            false
        ]
        eot;
    $this->assertSame(
        $sql,
        $this->varJson(
            $connect
                ->sql()
                ->table('test_query')
                ->sum('num')
                ->find(),
            1
        )
    );
}

findSum 查询合计指定字段和别名

public function testSum3(): void
{
    $connect = $this->createDatabaseConnectMock();
    $sql = <<<'eot'
        [
            "SELECT SUM(`test_query`.`num`) AS sum_value2 FROM `test_query` LIMIT 1",
            [],
            false
        ]
        eot;
    $this->assertSame(
        $sql,
        $this->varJson(
            $connect
                ->sql()
                ->table('test_query')
                ->findSum('num', 'sum_value2'),
            2
        )
    );
}

findAvg 查询字段指定表名

public function testAvgWithTable(): void
{
    $connect = $this->createDatabaseConnectMock();
    $sql = <<<'eot'
        [
            "SELECT AVG(`test_query`.`num`) AS avg_value FROM `test_query` LIMIT 1",
            [],
            false
        ]
        eot;
    $this->assertSame(
        $sql,
        $this->varJson(
            $connect
                ->sql()
                ->table('test_query')
                ->findAvg('test_query.num')
        )
    );
}

avg.find 查询字段指定表名

public function testAvgWithTable2(): void
{
    $connect = $this->createDatabaseConnectMock();
    $sql = <<<'eot'
        [
            "SELECT AVG(`test_query`.`num`) AS avg_value FROM `test_query` LIMIT 1",
            [],
            false
        ]
        eot;
    $this->assertSame(
        $sql,
        $this->varJson(
            $connect
                ->sql()
                ->table('test_query')
                ->avg('test_query.num')
                ->find(),
            1
        )
    );
}