feat: Add industry column to ProjectTable and update related schemas and query filters

app/db/models.py

@@ -296,6 +296,7 @@ class ProjectTable(Base, TimestampMixin):
 
     stage = Column(Enum(InvestmentStage), nullable=True)
     location = Column(String, nullable=True)
+    industry = Column(String, nullable=True)
     description = Column(Text, nullable=True)
     start_date = Column(DateTime, nullable=True)
     end_date = Column(DateTime, nullable=True)

app/routers/projects.py

@@ -182,6 +182,7 @@ def filter_projects(
     min_valuation: Optional[int] = Query(None, description="Minimum valuation"),
     max_valuation: Optional[int] = Query(None, description="Maximum valuation"),
     location: Optional[str] = Query(None, description="Location (partial match)"),
+    industry: Optional[str] = Query(None, description="Industry (partial match)"),
     sector: Optional[str] = Query(None, description="Sector name (partial match)"),
     investor_name: Optional[str] = Query(
         None, description="Investor name (partial match)"
@@ -215,6 +216,9 @@ def filter_projects(
     if location:
         query = query.filter(ProjectTable.location.ilike(f"%{location}%"))
 
+    if industry:
+        query = query.filter(ProjectTable.industry.ilike(f"%{industry}%"))
+
     if sector:
         query = query.join(ProjectTable.sector).filter(
             SectorTable.name.ilike(f"%{sector}%")

app/schemas/project_schemas.py

@@ -60,6 +60,7 @@ class ProjectSchema(BaseModel):
     valuation: int | None
     stage: InvestmentStage | None
     location: str | None
+    industry: str | None
     description: Optional[str]
     start_date: Optional[datetime]
     end_date: Optional[datetime]
@@ -75,6 +76,7 @@ class ProjectCreate(BaseModel):
     valuation: Optional[int] = None
     stage: Optional[InvestmentStage] = None
     location: Optional[str] = None
+    industry: Optional[str] = None
     description: Optional[str] = None
     start_date: Optional[datetime] = None
     end_date: Optional[datetime] = None
@@ -85,6 +87,7 @@ class ProjectUpdate(BaseModel):
     valuation: Optional[int] = None
     stage: Optional[InvestmentStage] = None
     location: Optional[str] = None
+    industry: Optional[str] = None
     description: Optional[str] = None
     start_date: Optional[datetime] = None
     end_date: Optional[datetime] = None

app/services/querying.py

@@ -37,7 +37,7 @@ class QueryProcessor:
         self.toolkit = SQLDatabaseToolkit(db=db, llm=self.llm)
         # Update system message to specifically request only fund IDs
         system_message_updated = (
-            prompt_template.format(dialect="SQLite", top_k=5)
+            prompt_template.format(dialect="SQLite", top_k=100)
             + "\n\n=== IMPORTANT TERMINOLOGY ==="
             + "\n- When users say 'investors' or 'find me investors', they mean FUNDS"
             + "\n- Always query the 'funds' table for investment opportunities"
@@ -51,8 +51,19 @@ class QueryProcessor:
             + "\n1. For geographic searches: use funds.geographic_focus"
             + "\n2. For sector searches: JOIN with fund_sectors table"
             + "\n3. For stage searches: JOIN with fund_investment_stages table"
-            + "\n4. If no results: respond with 'NO_RESULTS'"
-            + "\n5. Never repeat the same failed query"
+            + "\n4. Return ALL matching fund IDs, not just the first few"
+            + "\n5. If no results: respond with 'NO_RESULTS'"
+            + "\n6. Never repeat the same failed query"
+            + "\n\n=== GEOGRAPHIC SEARCH RULES (VERY IMPORTANT) ==="
+            + "\n- ALWAYS use LIKE '%keyword%' for geographic searches, NEVER use exact equality (=)"
+            + "\n- When user says 'Europe', match ANY location containing 'Europe' (e.g., 'Northern Europe', 'Western Europe', 'Europe', 'Central Europe')"
+            + "\n- When user says 'America', match locations like 'North America', 'South America', 'Latin America', 'United States'"
+            + "\n- When user says 'Asia', match 'Asia', 'Southeast Asia', 'East Asia', etc."
+            + "\n- Examples:"
+            + "\n  * User: 'Europe' → SQL: WHERE geographic_focus LIKE '%Europe%'"
+            + "\n  * User: 'America' → SQL: WHERE geographic_focus LIKE '%America%'"
+            + "\n  * User: 'UK' → SQL: WHERE geographic_focus LIKE '%UK%' OR geographic_focus LIKE '%United Kingdom%'"
+            + "\n- Be INCLUSIVE: capture all relevant regional variations"
         )
         self.agent = create_react_agent(
             model=self.llm,

migrations/add_industry_to_projects.py

@@ -0,0 +1,67 @@
+"""
+Migration: Add industry column to projects table
+Date: 2025-10-23
+"""
+
+import os
+import sys
+from pathlib import Path
+
+# Add parent directory to path to import app modules
+sys.path.insert(0, str(Path(__file__).parent.parent))
+
+from sqlalchemy import create_engine, text
+from app.db.db import DATABASE_URL, engine
+
+
+def upgrade():
+    """Add industry column to projects table"""
+    print("Running migration: Add industry column to projects table")
+    
+    with engine.connect() as conn:
+        # Check if column already exists
+        result = conn.execute(text("PRAGMA table_info(projects)"))
+        columns = [row[1] for row in result]
+        
+        if 'industry' in columns:
+            print("Column 'industry' already exists in projects table. Skipping migration.")
+            return
+        
+        # Add the industry column
+        conn.execute(text("ALTER TABLE projects ADD COLUMN industry VARCHAR"))
+        conn.commit()
+        
+        print("Successfully added 'industry' column to projects table")
+
+
+def downgrade():
+    """Remove industry column from projects table"""
+    print("Running downgrade: Remove industry column from projects table")
+    
+    # Note: SQLite doesn't support DROP COLUMN directly
+    # This is a simplified version - in production you'd need to recreate the table
+    print("Warning: SQLite doesn't support DROP COLUMN.")
+    print("To remove the column, you would need to:")
+    print("1. Create a new table without the industry column")
+    print("2. Copy data from old table to new table")
+    print("3. Drop old table and rename new table")
+
+
+if __name__ == "__main__":
+    import argparse
+    
+    parser = argparse.ArgumentParser(description="Run database migration")
+    parser.add_argument(
+        "direction",
+        choices=["upgrade", "downgrade"],
+        default="upgrade",
+        nargs="?",
+        help="Migration direction (default: upgrade)"
+    )
+    
+    args = parser.parse_args()
+    
+    if args.direction == "upgrade":
+        upgrade()
+    else:
+        downgrade()