Resolve "Rendered yaml is too long"

As in, https://github.com/steemit/sbds/issues/63, modifies the rendered_yaml to accept longer objects (up to 16MB with MEDIUMTEXT).

Created to solve #41 (closed)

src/LbAnalysisProductions/models/production.py

@@ -148,9 +148,13 @@ class Production(Base):
     # Columns
     name = Column(String(256), nullable=False)
     yaml = deferred(Column(UnicodeText, nullable=False))
-    rendered_yaml_col = Column(UnicodeText, nullable=False)
-    rendered_yaml_col = rendered_yaml_col.with_variant(mysql.MEDIUMTEXT, "mysql")
-    rendered_yaml = deferred(rendered_yaml_col)
+
+    # To save long rendered yaml files
+    UT_long = UnicodeText()
+    UT_long = UT.with_variant(mysql.MEDIUMTEXT, 'mysql')
+
+    rendered_yaml = deferred(Column(UT_long, nullable=False))
+    
     # Relationships
     pipeline_id = Column(Integer, ForeignKey("pipelines.gitlab_job_id"))
     pipeline = relationship("Pipeline", back_populates="productions", lazy="joined")