title_wip

hive >  insert into test.test_parquet partition(day='2021-09-18') select 1, 2, 3, 4, 5, 6.11, 7.22, 8.333, current_timestamp(), current_date(), 'hello world', 'hello world', 'hello world', true, 'hello world', array(1, 2, 3), array('hello world', 'hello world'), array(float(1.1), float(1.2)), array(array(1, 2), array(3, 4)), array(array('a', 'b'), array('c', 'd')), array(array(float(1.11), float(2.22)), array(float(3.33), float(4.44)));
OK
Time taken: 36.025 seconds

hive > select * from test.test_parquet;
OK
1    2    3    4    5    6.11    7.22    8    2021-12-14 17:54:56.743    2021-12-14    hello world    hello world    hello world                                                                                             true    hello world    [1,2,3]    ["hello world","hello world"]    [1.1,1.2]    [[1,2],[3,4]]    [["a","b"],["c","d"]]    [[1.11,2.22],[3.33,4.44]]    2021-09-18
Time taken: 0.766 seconds, Fetched: 1 row(s)
```

#### Create Table in ClickHouse[​](#create-table-in-clickhouse-1 "Direct link to Create Table in ClickHouse")

Table in ClickHouse, retrieving data from the Hive table created above:

```
CREATE TABLE test.test_parquet
(
    `f_tinyint` Int8,
    `f_smallint` Int16,
    `f_int` Int32,
    `f_integer` Int32,
    `f_bigint` Int64,
    `f_float` Float32,
    `f_double` Float64,
    `f_decimal` Float64,
    `f_timestamp` DateTime,
    `f_date` Date,
    `f_string` String,
    `f_varchar` String,
    `f_char` String,
    `f_bool` Bool,
    `f_binary` String,
    `f_array_int` Array(Int32),
    `f_array_string` Array(String),
    `f_array_float` Array(Float32),
    `f_array_array_int` Array(Array(Int32)),
    `f_array_array_string` Array(Array(String)),
    `f_array_array_float` Array(Array(Float32)),
    `day` String
)
ENGINE = Hive('thrift://localhost:9083', 'test', 'test_parquet')
PARTITION BY day
```

```
SELECT * FROM test.test_parquet settings input_format_parquet_allow_missing_columns = 1\G
```

```
SELECT *
FROM test_parquet
SETTINGS input_format_parquet_allow_missing_columns = 1

Query id: 4e35cf02-c7b2-430d-9b81-16f438e5fca9

Row 1:
──────
f_tinyint:            1
f_smallint:           2
f_int:                3
f_integer:            4
f_bigint:             5
f_float:              6.11
f_double:             7.22
f_decimal:            8
f_timestamp:          2021-12-14 17:54:56
f_date:               2021-12-14
f_string:             hello world
f_varchar:            hello world
f_char:               hello world
f_bool:               true
f_binary:             hello world
f_array_int:          [1,2,3]
f_array_string:       ['hello world','hello world']
f_array_float:        [1.1,1.2]
f_array_array_int:    [[1,2],[3,4]]
f_array_array_string: [['a','b'],['c','d']]
f_array_array_float:  [[1.11,2.22],[3.33,4.44]]
day:                  2021-09-18

1 rows in set. Elapsed: 0.357 sec.
```

### Query Hive table with Text input format[​](#query-hive-table-with-text-input-format "Direct link to Query Hive table with Text input format")

#### Create Table in Hive[​](#create-table-in-hive-2 "Direct link to Create Table in Hive")

```
hive >
CREATE TABLE `test`.`test_text`(
  `f_tinyint` tinyint,
  `f_smallint` smallint,
  `f_int` int,
  `f_integer` int,
  `f_bigint` bigint,
  `f_float` float,
  `f_double` double,
  `f_decimal` decimal(10,0),
  `f_timestamp` timestamp,
  `f_date` date,
  `f_string` string,
  `f_varchar` varchar(100),
  `f_char` char(100),
  `f_bool` boolean,
  `f_binary` binary,
  `f_array_int` array<int>,
  `f_array_string` array<string>,
  `f_array_float` array<float>,
  `f_array_array_int` array<array<int>>,
  `f_array_array_string` array<array<string>>,
  `f_array_array_float` array<array<float>>)
PARTITIONED BY (
  `day` string)
ROW FORMAT SERDE
  'org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe'
STORED AS INPUTFORMAT
  'org.apache.hadoop.mapred.TextInputFormat'
OUTPUTFORMAT
  'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
LOCATION
  'hdfs://testcluster/data/hive/test.db/test_text'
Time taken: 0.1 seconds, Fetched: 34 row(s)


hive >  insert into test.test_text partition(day='2021-09-18') select 1, 2, 3, 4, 5, 6.11, 7.22, 8.333, current_timestamp(), current_date(), 'hello world', 'hello world', 'hello world', true, 'hello world', array(1, 2, 3), array('hello world', 'hello world'), array(float(1.1), float(1.2)), array(array(1, 2), array(3, 4)), array(array('a', 'b'), array('c', 'd')), array(array(float(1.11), float(2.22)), array(float(3.33), float(4.44)));
OK
Time taken: 36.025 seconds

hive > select * from test.test_text;
OK
1    2    3    4    5    6.11    7.22    8    2021-12-14 18:11:17.239    2021-12-14    hello world    hello world    hello world                                                                                             true    hello world    [1,2,3]    ["hello world","hello world"]    [1.1,1.2]    [[1,2],[3,4]]    [["a","b"],["c","d"]]    [[1.11,2.22],[3.33,4.44]]    2021-09-18
Time taken: 0.624 seconds, Fetched: 1 row(s)
```

#### Create Table in ClickHouse[​](#create-table-in-clickhouse-2 "Direct link to Create Table in ClickHouse")

Table in ClickHouse, retrieving data from the Hive table created above:

```
CREATE TABLE test.test_text
(
    `f_tinyint` Int8,
    `f_smallint` Int16,
    `f_int` Int32,
    `f_integer` Int32,
    `f_bigint` Int64,
    `f_float` Float32,
    `f_double` Float64,
    `f_decimal` Float64,
    `f_timestamp` DateTime,
    `f_date` Date,
    `f_string` String,
    `f_varchar` String,
    `f_char` String,
    `f_bool` Bool,
    `day` String
)
ENGINE = Hive('thrift://localhost:9083', 'test', 'test_text')
PARTITION BY day
```

```
SELECT * FROM test.test_text settings input_format_skip_unknown_fields = 1, input_format_with_names_use_header = 1, date_time_input_format = 'best_effort'\G
```

```
SELECT *
FROM test.test_text
SETTINGS input_format_skip_unknown_fields = 1, input_format_with_names_use_header = 1, date_time_input_format = 'best_effort'

Query id: 55b79d35-56de-45b9-8be6-57282fbf1f44

Row 1:
──────
f_tinyint:   1
f_smallint:  2
f_int:       3
f_integer:   4
f_bigint:    5
f_float:     6.11
f_double:    7.22
f_decimal:   8
f_timestamp: 2021-12-14 18:11:17
f_date:      2021-12-14
f_string:    hello world
f_varchar:   hello world
f_char:      hello world
f_bool:      true
day:         2021-09-18
```

- [Creating a table](#creating-a-table)- [Usage example](#usage-example)
    - [How to use local cache for HDFS filesystem](#how-to-use-local-cache-for-hdfs-filesystem)- [Query Hive table with ORC input format](#query-hive-table-with-orc-input-format)- [Query Hive table with Parquet input format](#query-hive-table-with-parquet-input-format)- [Query Hive table with Text input format](#query-hive-table-with-text-input-format)

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