pyflink sql demo

from pyflink.table import EnvironmentSettings, StreamTableEnvironment

env_settings = EnvironmentSettings.new_instance().in_streaming_mode().use_blink_planner().build()
table_env = StreamTableEnvironment.create(environment_settings=env_settings)

table = table_env.from_elements([(1, 'Hi'), (2, 'Hello')], ['id', 'data'])
table_env.create_temporary_view("simple_source", table)
table_env.execute_sql("""
    CREATE TABLE first_sink_table (
        id BIGINT,
        data VARCHAR
    ) WITH (
        'connector' = 'print'
    )
""")
table_env.execute_sql("""
    CREATE TABLE second_sink_table (
        id BIGINT,
        data VARCHAR
    ) WITH (
        'connector' = 'print'
    )
""")
# 创建一个statement对象
statement_set = table_env.create_statement_set()
# 使用TABLE API 将table表插进first_sink_table表里面
statement_set.add_insert("first_sink_table", table)

# 使用SQL将table表插进second_sink_table表里面
statement_set.add_insert_sql("INSERT INTO second_sink_table SELECT * FROM simple_source")
# 执行查询
statement_set.execute().wait()

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