docs: support schemaless insert (#20944)

* docs: support schemaless insert

* docs: code reformat

docs/en/14-reference/03-connector/07-python.mdx

@@ -459,6 +459,56 @@ For a more detailed description of the `sql()` method, please refer to [RestClie
 </TabItem>
 </Tabs>
 
+### Schemaless Insert
+
+Connector support schemaless insert.
+
+<Tabs defaultValue="list">
+<TabItem value="list" label="List Insert">
+
+Simple insert
+
+```python
+{{#include docs/examples/python/schemaless_insert.py}}
+```
+
+Insert with ttl argument
+
+```python
+{{#include docs/examples/python/schemaless_insert_ttl.py}}
+```
+
+Insert with req_id argument
+
+```python
+{{#include docs/examples/python/schemaless_insert_req_id.py}}
+```
+
+</TabItem>
+
+<TabItem value="raw" label="Raw Insert">
+
+Simple insert
+
+```python
+{{#include docs/examples/python/schemaless_insert_raw.py}}
+```
+
+Insert with ttl argument
+
+```python
+{{#include docs/examples/python/schemaless_insert_raw_ttl.py}}
+```
+
+Insert with req_id argument
+
+```python
+{{#include docs/examples/python/schemaless_insert_raw_req_id.py}}
+```
+
+</TabItem>
+</Tabs>
+
 ### Other sample programs
 
 | Example program links | Example program content |

docs/examples/python/schemaless_insert.py

+import taos
+
+conn = taos.connect()
+dbname = "pytest_line"
+conn.execute("drop database if exists %s" % dbname)
+conn.execute("create database if not exists %s precision 'us'" % dbname)
+conn.select_db(dbname)
+
+lines = [
+    'st,t1=3i64,t2=4f64,t3="t3" c1=3i64,c3=L"pass",c2=false,c4=4f64 1626006833639000000',
+]
+conn.schemaless_insert(lines, taos.SmlProtocol.LINE_PROTOCOL, taos.SmlPrecision.NOT_CONFIGURED)
+print("inserted")
+
+conn.schemaless_insert(lines, taos.SmlProtocol.LINE_PROTOCOL, taos.SmlPrecision.NOT_CONFIGURED)
+
+result = conn.query("show tables")
+for row in result:
+    print(row)
+
+conn.execute("drop database if exists %s" % dbname)

docs/examples/python/schemaless_insert_raw.py

+import taos
+from taos import utils
+from taos import TaosConnection
+from taos.cinterface import *
+from taos.error import OperationalError, SchemalessError
+
+conn = taos.connect()
+dbname = "taos_schemaless_insert"
+try:
+    conn.execute("drop database if exists %s" % dbname)
+
+    if taos.IS_V3:
+        conn.execute("create database if not exists %s schemaless 1 precision 'ns'" % dbname)
+    else:
+        conn.execute("create database if not exists %s update 2 precision 'ns'" % dbname)
+
+    conn.select_db(dbname)
+
+    lines = '''st,t1=3i64,t2=4f64,t3="t3" c1=3i64,c3=L"passit",c2=false,c4=4f64 1626006833639000000
+    st,t1=4i64,t3="t4",t2=5f64,t4=5f64 c1=3i64,c3=L"passitagin, abc",c2=true,c4=5f64,c5=5f64,c6=7u64 1626006933640000000
+    stf,t1=4i64,t3="t4",t2=5f64,t4=5f64 c1=3i64,c3=L"passitagin_stf",c2=false,c5=5f64,c6=7u64 1626006933641000000'''
+
+    res = conn.schemaless_insert_raw(lines, 1, 0)
+    print("affected rows: ", res)
+    assert (res == 3)
+
+    lines = '''stf,t1=5i64,t3="t4",t2=5f64,t4=5f64 c1=3i64,c3=L"passitagin_stf",c2=false,c5=5f64,c6=7u64 1626006933641000000'''
+    res = conn.schemaless_insert_raw(lines, 1, 0)
+    print("affected rows: ", res)
+    assert (res == 1)
+
+    result = conn.query("select * from st")
+    dict2 = result.fetch_all_into_dict()
+    print(dict2)
+    print(result.row_count)
+
+    all = result.rows_iter()
+    for row in all:
+        print(row)
+    result.close()
+    assert (result.row_count == 2)
+
+    # error test
+    lines = ''',t1=3i64,t2=4f64,t3="t3" c1=3i64,c3=L"passit",c2=false,c4=4f64 1626006833639000000'''
+    try:
+        res = conn.schemaless_insert_raw(lines, 1, 0)
+        print(res)
+        # assert(False)
+    except SchemalessError as err:
+        print('**** error: ', err)
+        # assert (err.msg == 'Invalid data format')
+
+    result = conn.query("select * from st")
+    print(result.row_count)
+    all = result.rows_iter()
+    for row in all:
+        print(row)
+    result.close()
+
+    conn.execute("drop database if exists %s" % dbname)
+    conn.close()
+except InterfaceError as err:
+    conn.execute("drop database if exists %s" % dbname)
+    conn.close()
+    print(err)
+except SchemalessError as err:
+    conn.execute("drop database if exists %s" % dbname)
+    conn.close()
+    print(err)
+except Exception as err:
+    conn.execute("drop database if exists %s" % dbname)
+    conn.close()
+    print(err)
+    raise err

docs/examples/python/schemaless_insert_raw_req_id.py

+import taos
+from taos import utils
+from taos import TaosConnection
+from taos.cinterface import *
+from taos.error import OperationalError, SchemalessError
+
+conn = taos.connect()
+dbname = "taos_schemaless_insert"
+try:
+    conn.execute("drop database if exists %s" % dbname)
+
+    if taos.IS_V3:
+        conn.execute("create database if not exists %s schemaless 1 precision 'ns'" % dbname)
+    else:
+        conn.execute("create database if not exists %s update 2 precision 'ns'" % dbname)
+
+    conn.select_db(dbname)
+
+    lines = '''st,t1=3i64,t2=4f64,t3="t3" c1=3i64,c3=L"passit",c2=false,c4=4f64 1626006833639000000
+    st,t1=4i64,t3="t4",t2=5f64,t4=5f64 c1=3i64,c3=L"passitagin, abc",c2=true,c4=5f64,c5=5f64,c6=7u64 1626006933640000000
+    stf,t1=4i64,t3="t4",t2=5f64,t4=5f64 c1=3i64,c3=L"passitagin_stf",c2=false,c5=5f64,c6=7u64 1626006933641000000'''
+
+    ttl = 1000
+    req_id = utils.gen_req_id()
+    res = conn.schemaless_insert_raw(lines, 1, 0, ttl=ttl, req_id=req_id)
+    print("affected rows: ", res)
+    assert (res == 3)
+
+    lines = '''stf,t1=5i64,t3="t4",t2=5f64,t4=5f64 c1=3i64,c3=L"passitagin_stf",c2=false,c5=5f64,c6=7u64 1626006933641000000'''
+    ttl = 1000
+    req_id = utils.gen_req_id()
+    res = conn.schemaless_insert_raw(lines, 1, 0, ttl=ttl, req_id=req_id)
+    print("affected rows: ", res)
+    assert (res == 1)
+
+    result = conn.query("select * from st")
+    dict2 = result.fetch_all_into_dict()
+    print(dict2)
+    print(result.row_count)
+
+    all = result.rows_iter()
+    for row in all:
+        print(row)
+    result.close()
+    assert (result.row_count == 2)
+
+    # error test
+    lines = ''',t1=3i64,t2=4f64,t3="t3" c1=3i64,c3=L"passit",c2=false,c4=4f64 1626006833639000000'''
+    try:
+        ttl = 1000
+        req_id = utils.gen_req_id()
+        res = conn.schemaless_insert_raw(lines, 1, 0, ttl=ttl, req_id=req_id)
+        print(res)
+        # assert(False)
+    except SchemalessError as err:
+        print('**** error: ', err)
+        # assert (err.msg == 'Invalid data format')
+
+    result = conn.query("select * from st")
+    print(result.row_count)
+    all = result.rows_iter()
+    for row in all:
+        print(row)
+    result.close()
+
+    conn.execute("drop database if exists %s" % dbname)
+    conn.close()
+except InterfaceError as err:
+    conn.execute("drop database if exists %s" % dbname)
+    conn.close()
+    print(err)
+except Exception as err:
+    conn.execute("drop database if exists %s" % dbname)
+    conn.close()
+    print(err)
+    raise err

docs/examples/python/schemaless_insert_raw_ttl.py

+import taos
+from taos import utils
+from taos import TaosConnection
+from taos.cinterface import *
+from taos.error import OperationalError, SchemalessError
+
+conn = taos.connect()
+dbname = "taos_schemaless_insert"
+try:
+    conn.execute("drop database if exists %s" % dbname)
+
+    if taos.IS_V3:
+        conn.execute("create database if not exists %s schemaless 1 precision 'ns'" % dbname)
+    else:
+        conn.execute("create database if not exists %s update 2 precision 'ns'" % dbname)
+
+    conn.select_db(dbname)
+
+    lines = '''st,t1=3i64,t2=4f64,t3="t3" c1=3i64,c3=L"passit",c2=false,c4=4f64 1626006833639000000
+    st,t1=4i64,t3="t4",t2=5f64,t4=5f64 c1=3i64,c3=L"passitagin, abc",c2=true,c4=5f64,c5=5f64,c6=7u64 1626006933640000000
+    stf,t1=4i64,t3="t4",t2=5f64,t4=5f64 c1=3i64,c3=L"passitagin_stf",c2=false,c5=5f64,c6=7u64 1626006933641000000'''
+
+    ttl = 1000
+    res = conn.schemaless_insert_raw(lines, 1, 0, ttl=ttl)
+    print("affected rows: ", res)
+    assert (res == 3)
+
+    lines = '''stf,t1=5i64,t3="t4",t2=5f64,t4=5f64 c1=3i64,c3=L"passitagin_stf",c2=false,c5=5f64,c6=7u64 1626006933641000000'''
+    ttl = 1000
+    res = conn.schemaless_insert_raw(lines, 1, 0, ttl=ttl)
+    print("affected rows: ", res)
+    assert (res == 1)
+
+    result = conn.query("select * from st")
+    dict2 = result.fetch_all_into_dict()
+    print(dict2)
+    print(result.row_count)
+
+    all = result.rows_iter()
+    for row in all:
+        print(row)
+    result.close()
+    assert (result.row_count == 2)
+
+    # error test
+    lines = ''',t1=3i64,t2=4f64,t3="t3" c1=3i64,c3=L"passit",c2=false,c4=4f64 1626006833639000000'''
+    try:
+        ttl = 1000
+        res = conn.schemaless_insert_raw(lines, 1, 0, ttl=ttl)
+        print(res)
+        # assert(False)
+    except SchemalessError as err:
+        print('**** error: ', err)
+        # assert (err.msg == 'Invalid data format')
+
+    result = conn.query("select * from st")
+    print(result.row_count)
+    all = result.rows_iter()
+    for row in all:
+        print(row)
+    result.close()
+
+    conn.execute("drop database if exists %s" % dbname)
+    conn.close()
+except InterfaceError as err:
+    conn.execute("drop database if exists %s" % dbname)
+    conn.close()
+    print(err)
+except Exception as err:
+    conn.execute("drop database if exists %s" % dbname)
+    conn.close()
+    print(err)
+    raise err

docs/examples/python/schemaless_insert_req_id.py

+import taos
+from taos import SmlProtocol, SmlPrecision
+
+conn = taos.connect()
+dbname = "pytest_line"
+conn.execute("drop database if exists %s" % dbname)
+conn.execute("create database if not exists %s precision 'us'" % dbname)
+conn.select_db(dbname)
+
+lines = [
+    'st,t1=3i64,t2=4f64,t3="t3" c1=3i64,c3=L"pass",c2=false,c4=4f64 1626006833639000000',
+]
+conn.schemaless_insert(lines, taos.SmlProtocol.LINE_PROTOCOL, taos.SmlPrecision.NOT_CONFIGURED, req_id=1)
+print("inserted")
+
+conn.schemaless_insert(lines, taos.SmlProtocol.LINE_PROTOCOL, taos.SmlPrecision.NOT_CONFIGURED, req_id=2)
+
+result = conn.query("show tables")
+for row in result:
+    print(row)
+
+conn.execute("drop database if exists %s" % dbname)

docs/examples/python/schemaless_insert_ttl.py

+import taos
+from taos import SmlProtocol, SmlPrecision
+
+conn = taos.connect()
+dbname = "pytest_line"
+conn.execute("drop database if exists %s" % dbname)
+conn.execute("create database if not exists %s precision 'us'" % dbname)
+conn.select_db(dbname)
+
+lines = [
+    'st,t1=3i64,t2=4f64,t3="t3" c1=3i64,c3=L"pass",c2=false,c4=4f64 1626006833639000000',
+]
+conn.schemaless_insert(lines, taos.SmlProtocol.LINE_PROTOCOL, taos.SmlPrecision.NOT_CONFIGURED, ttl=1000)
+print("inserted")
+
+conn.schemaless_insert(lines, taos.SmlProtocol.LINE_PROTOCOL, taos.SmlPrecision.NOT_CONFIGURED, ttl=1000)
+
+result = conn.query("show tables")
+for row in result:
+    print(row)
+
+conn.execute("drop database if exists %s" % dbname)

docs/zh/08-connector/30-python.mdx

@@ -484,6 +484,56 @@ TaosCursor 类使用原生连接进行写入、查询操作。在客户端多线
 </TabItem>
 </Tabs>
 
+### 无模式写入
+
+连接器支持无模式写入功能。
+
+<Tabs defaultValue="list">
+<TabItem value="list" label="List 写入">
+
+简单写入
+
+```python
+{{#include docs/examples/python/schemaless_insert.py}}
+```
+
+带有 ttl 参数的写入
+
+```python
+{{#include docs/examples/python/schemaless_insert_ttl.py}}
+```
+
+带有 req_id 参数的写入
+
+```python
+{{#include docs/examples/python/schemaless_insert_req_id.py}}
+```
+
+</TabItem>
+
+<TabItem value="raw" label="Raw 写入">
+
+简单写入
+
+```python
+{{#include docs/examples/python/schemaless_insert_raw.py}}
+```
+
+带有 ttl 参数的写入
+
+```python
+{{#include docs/examples/python/schemaless_insert_raw_ttl.py}}
+```
+
+带有 req_id 参数的写入
+
+```python
+{{#include docs/examples/python/schemaless_insert_raw_req_id.py}}
+```
+
+</TabItem>
+</Tabs>
+
 ### 其它示例程序
 
 | 示例程序链接                                                                                                  | 示例程序内容            |