相关疑难解决方法(0)

示例代码：

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_env.execute_sql(
    """
    CREATE TABLE table1 (
        id INT,
        ts TIMESTAMP(3),
        WATERMARK FOR ts AS ts - INTERVAL '5' SECOND
    ) WITH (
        'connector.type' = 'filesystem',
        'format.type' = 'csv',
        'connector.path' = '/home/alex/work/test-flink/data1.csv'
    )
"""
)


table_env.execute_sql(
    """
    CREATE TABLE table2 (
        id2 INT,
        ts2 TIMESTAMP(3),
        WATERMARK FOR ts2 AS ts2 - INTERVAL '5' SECOND
    ) WITH (
        'connector.type' = 'filesystem',
        'format.type' = 'csv',
        'connector.path' = '/home/alex/work/test-flink/data2.csv'
    ) …