Iteration 1 - DATA_ENGINEER
Sequence: 2
Timestamp: 2025-07-27 23:34:23

Prompt:
You are a senior database architect implementing schema modifications for iteration 1. Based on the OR expert's optimization requirements and mapping analysis, you will design and implement the complete database architecture following industry best practices.

YOUR RESPONSIBILITIES:
- Analyze OR expert's mapping evaluations and missing requirements
- Design schema adjustments following database normalization principles
- Implement complete data dictionary with business-oriented descriptions
- Manage business configuration logic parameters (scalar values and formulas not suitable for tables)
- Maintain business realism by preserving relevant non-optimization tables
- Follow industry database design standards and naming conventions
- Ensure each table will store between 3 and 20 data rows for realistic optimization scenarios
- Apply the 3-row minimum rule - if optimization information is insufficient to generate at least 3 meaningful rows for a table, move that information to business_configuration_logic.json instead.


BUSINESS CONFIGURATION LOGIC DESIGN:
- Create business_configuration_logic.json for business parameters
- For scalar parameters: Use "sample_value" as templates for triple expert
- For business logic formulas: Use actual formula expressions (not "sample_value")
- Support different configuration_types:
  - "scalar_parameter": Single business values with "sample_value" (resources, limits, thresholds)
  - "business_logic_formula": Actual calculation formulas using real expressions
  - "business_metric": Performance evaluation metrics with "sample_value"
- Triple expert will later provide realistic values for scalar parameters only
- Formulas should be actual business logic expressions, not sample values


CRITICAL: Respond with ONLY a valid JSON object. No explanations, no markdown, no extra text.

OR EXPERT ANALYSIS (iteration 1):
{
  "database_id": "movie_1",
  "iteration": 0,
  "business_context": "A movie streaming service wants to optimize the allocation of promotional budget across different movies to maximize the average rating improvement, subject to budget constraints and minimum promotional requirements for each movie.",
  "optimization_problem_description": "The goal is to determine the optimal allocation of a fixed promotional budget to different movies to maximize the expected increase in their average ratings. Each movie has a different sensitivity to promotional spending, and there are minimum promotional requirements for each movie.",
  "optimization_formulation": {
    "objective": "maximize sum(promotion_sensitivity[mID] * budget_allocation[mID])",
    "decision_variables": "budget_allocation[mID] - continuous variables representing the amount of budget allocated to movie mID",
    "constraints": [
      "sum(budget_allocation[mID]) <= total_budget",
      "budget_allocation[mID] >= min_promotion_requirement[mID] for all mID"
    ]
  },
  "current_optimization_to_schema_mapping": {
    "objective_coefficients": {
      "promotion_sensitivity[mID]": {
        "currently_mapped_to": "missing",
        "mapping_adequacy": "missing",
        "description": "represents how much the average rating of movie mID is expected to increase per unit of promotional budget"
      }
    },
    "constraint_bounds": {
      "total_budget": {
        "currently_mapped_to": "missing",
        "mapping_adequacy": "missing",
        "description": "the total promotional budget available for allocation"
      },
      "min_promotion_requirement[mID]": {
        "currently_mapped_to": "missing",
        "mapping_adequacy": "missing",
        "description": "the minimum promotional budget that must be allocated to movie mID"
      }
    },
    "decision_variables": {
      "budget_allocation[mID]": {
        "currently_mapped_to": "missing",
        "mapping_adequacy": "missing",
        "description": "the amount of promotional budget allocated to movie mID",
        "variable_type": "continuous"
      }
    }
  },
  "missing_optimization_requirements": [
    "Data on promotion_sensitivity for each movie",
    "Total promotional budget available",
    "Minimum promotional requirements for each movie"
  ],
  "iteration_status": {
    "complete": false,
    "confidence": "medium",
    "next_focus": "Gathering data on promotion sensitivity and budget constraints"
  }
}





TASK: Implement comprehensive schema changes and configuration logic management based on OR expert's requirements.

JSON STRUCTURE REQUIRED:

{
  "database_id": "movie_1",
  "iteration": 1,
  "implementation_summary": "Summary of schema changes and configuration logic updates based on OR expert mapping analysis",
  
  "or_requirements_analysis": {
    "mapping_gaps_identified": [
      "List specific gaps identified from OR expert's mapping_adequacy assessments"
    ],
    "missing_data_requirements": [
      "List missing optimization data requirements from OR expert"
    ],
    "business_configuration_logic_needs": [
      "Scalar parameters and formulas better suited for configuration than tables"
    ]
  },
  
  "schema_adjustment_decisions": {
    "tables_to_delete": [
      {
        "table_name": "table_name",
        "reason": "business justification for removal (optimization irrelevant vs business irrelevant)"
      }
    ],
    "tables_to_create": [
      {
        "table_name": "table_name", 
        "purpose": "optimization role (decision_variables/objective_coefficients/constraint_bounds/business_data)",
        "business_meaning": "what this table represents in business context"
      }
    ],
    "tables_to_modify": [
      {
        "table_name": "existing_table",
        "changes": "specific modifications needed",
        "reason": "why these changes address OR expert's mapping gaps"
      }
    ]
  },
  
  "business_configuration_logic_updates": {
    "configuration_parameters": {
      "parameter_name": {
        "sample_value": "sample_parameter_value",
        "data_type": "INTEGER/FLOAT/STRING/BOOLEAN",
        "business_meaning": "what this parameter represents in business context",
        "optimization_role": "how this parameter is used in optimization model",
        "configuration_type": "scalar_parameter"
      },
      "formula_name": {
        "formula_expression": "actual_business_formula_expression",
        "data_type": "STRING",
        "business_meaning": "what this formula represents in business context",
        "optimization_role": "how this formula is used in optimization model",
        "configuration_type": "business_logic_formula"
      }
    },
    "updates_rationale": "why these parameters are better in configuration logic than tables"
  },
  
  "implemented_optimization_mapping": {
    "objective_coefficients_mapping": {
      "coefficient_name[indices]": "table.column OR business_configuration_logic.key - complete mapping path"
    },
    "constraint_bounds_mapping": {
      "constraint_name[indices]": "table.column OR business_configuration_logic.key - complete mapping path"  
    },
    "decision_variables_mapping": {
      "variable_name[indices]": "table.column OR business_configuration_logic.key - complete mapping path"
    }
  },
  
  "data_dictionary": {
    "tables": {
      "table_name": {
        "business_purpose": "business meaning of this table for linear optimization",
        "optimization_role": "decision_variables/objective_coefficients/constraint_bounds/business_data",
        "columns": {
          "column_name": {
            "data_type": "TYPE",
            "business_meaning": "what this column represents in business context for linear optimization",
            "optimization_purpose": "how this column is used in linear optimization formulation",
            "sample_values": "example values or range"
          }
        }
      }
    }
  },
  
  "data_mapping": {
    "objective_sources": ["table.column pairs for linear objective function"],
    "constraint_sources": ["table.column pairs for linear constraints"],
    "sample_data_rows": {"table1": 3, "table2": 5}
  },
  
  "validation": {
    "schema_complete": true,
    "data_consistent": true,
    "math_traceable": true,
    "business_aligned": true,
    "follows_db_standards": true
  }
}

Response:
{
  "database_id": "movie_1",
  "iteration": 1,
  "implementation_summary": "Schema changes include creating new tables for missing optimization data and updating business configuration logic for scalar parameters and formulas.",
  "or_requirements_analysis": {
    "mapping_gaps_identified": [
      "promotion_sensitivity[mID] not mapped",
      "total_budget not mapped",
      "min_promotion_requirement[mID] not mapped"
    ],
    "missing_data_requirements": [
      "Data on promotion_sensitivity for each movie",
      "Total promotional budget available",
      "Minimum promotional requirements for each movie"
    ],
    "business_configuration_logic_needs": [
      "total_budget as scalar_parameter",
      "min_promotion_requirement[mID] as scalar_parameter"
    ]
  },
  "schema_adjustment_decisions": {
    "tables_to_delete": [],
    "tables_to_create": [
      {
        "table_name": "promotion_sensitivity",
        "purpose": "objective_coefficients",
        "business_meaning": "represents how much the average rating of each movie is expected to increase per unit of promotional budget"
      },
      {
        "table_name": "budget_allocation",
        "purpose": "decision_variables",
        "business_meaning": "represents the amount of promotional budget allocated to each movie"
      }
    ],
    "tables_to_modify": []
  },
  "business_configuration_logic_updates": {
    "configuration_parameters": {
      "total_budget": {
        "sample_value": "100000",
        "data_type": "FLOAT",
        "business_meaning": "the total promotional budget available for allocation",
        "optimization_role": "used as an upper bound constraint in the optimization model",
        "configuration_type": "scalar_parameter"
      },
      "min_promotion_requirement": {
        "sample_value": "5000",
        "data_type": "FLOAT",
        "business_meaning": "the minimum promotional budget that must be allocated to each movie",
        "optimization_role": "used as a lower bound constraint in the optimization model",
        "configuration_type": "scalar_parameter"
      }
    },
    "updates_rationale": "These parameters are better in configuration logic due to their scalar nature and lack of need for tabular representation."
  },
  "implemented_optimization_mapping": {
    "objective_coefficients_mapping": {
      "promotion_sensitivity[mID]": "promotion_sensitivity.sensitivity_value"
    },
    "constraint_bounds_mapping": {
      "total_budget": "business_configuration_logic.total_budget",
      "min_promotion_requirement[mID]": "business_configuration_logic.min_promotion_requirement"
    },
    "decision_variables_mapping": {
      "budget_allocation[mID]": "budget_allocation.amount"
    }
  },
  "data_dictionary": {
    "tables": {
      "promotion_sensitivity": {
        "business_purpose": "represents the sensitivity of each movie's rating to promotional spending",
        "optimization_role": "objective_coefficients",
        "columns": {
          "mID": {
            "data_type": "INTEGER",
            "business_meaning": "unique identifier for each movie",
            "optimization_purpose": "index for sensitivity values",
            "sample_values": "1, 2, 3"
          },
          "sensitivity_value": {
            "data_type": "FLOAT",
            "business_meaning": "sensitivity of the movie's rating to promotional spending",
            "optimization_purpose": "coefficient in the objective function",
            "sample_values": "0.1, 0.2, 0.3"
          }
        }
      },
      "budget_allocation": {
        "business_purpose": "represents the allocation of promotional budget to each movie",
        "optimization_role": "decision_variables",
        "columns": {
          "mID": {
            "data_type": "INTEGER",
            "business_meaning": "unique identifier for each movie",
            "optimization_purpose": "index for budget allocation",
            "sample_values": "1, 2, 3"
          },
          "amount": {
            "data_type": "FLOAT",
            "business_meaning": "amount of budget allocated to the movie",
            "optimization_purpose": "decision variable in the optimization model",
            "sample_values": "10000, 15000, 20000"
          }
        }
      }
    }
  },
  "data_mapping": {
    "objective_sources": [
      "promotion_sensitivity.sensitivity_value"
    ],
    "constraint_sources": [
      "business_configuration_logic.total_budget",
      "business_configuration_logic.min_promotion_requirement"
    ],
    "sample_data_rows": {
      "promotion_sensitivity": 3,
      "budget_allocation": 3
    }
  },
  "validation": {
    "schema_complete": true,
    "data_consistent": true,
    "math_traceable": true,
    "business_aligned": true,
    "follows_db_standards": true
  }
}
