CREATE TABLE logs (
    log_id                          INTEGER         CONSTRAINT nn_logs_log_id NOT NULL,
    log_parent                      INTEGER,
    app_id                          NUMBER(4,0)     CONSTRAINT nn_logs_app_id NOT NULL,
    page_id                         NUMBER(6,0),
    user_id                         VARCHAR2(30),
    flag                            CHAR(1)         CONSTRAINT nn_logs_flag NOT NULL,
    action_name                     VARCHAR2(32),
    module_name                     VARCHAR2(48),
    module_line                     NUMBER(8,0),
    module_timer                    VARCHAR2(12),
    arguments                       VARCHAR2(2000),
    payload                         VARCHAR2(4000),
    session_id                      INTEGER,
    created_at                      TIMESTAMP(6)    CONSTRAINT nn_logs_created_at NOT NULL,
    --
    CONSTRAINT pk_logs
        PRIMARY KEY (log_id)
)
PARTITION BY RANGE (created_at) INTERVAL (NUMTODSINTERVAL(1, 'DAY'))
(
    PARTITION "SYS_P3228"  VALUES LESS THAN (TIMESTAMP '2022-06-29 00:00:00')
);
--
COMMENT ON TABLE logs IS '[CORE] Various logs raised in application; daily partitions';
--
COMMENT ON COLUMN logs.log_id           IS 'Log ID generated from LOG_ID sequence';
COMMENT ON COLUMN logs.log_parent       IS 'Parent log record; dont use FK to avoid deadlocks';
COMMENT ON COLUMN logs.app_id           IS 'APEX Application ID';
COMMENT ON COLUMN logs.page_id          IS 'APEX Application PAGE ID';
COMMENT ON COLUMN logs.user_id          IS 'User ID';
COMMENT ON COLUMN logs.flag             IS 'Type of error listed in tree package specification; FK missing for performance reasons';
COMMENT ON COLUMN logs.action_name      IS 'Action name to distinguish position in module or use it as warning/error names';
COMMENT ON COLUMN logs.module_name      IS 'Module name (procedure or function name)';
COMMENT ON COLUMN logs.module_line      IS 'Line in the module';
COMMENT ON COLUMN logs.module_timer     IS 'Time interval indicating successful finish';
COMMENT ON COLUMN logs.arguments        IS 'Arguments passed to module';
COMMENT ON COLUMN logs.payload          IS 'Formatted call stack, error stack or query with DML error';
COMMENT ON COLUMN logs.session_id       IS 'Session ID (generated by APEX) from sessions table';
COMMENT ON COLUMN logs.created_at       IS 'Timestamp of creation';