Add check

Author: owjs3901

crates/vespertide-cli/src/utils.rs

@@ -4,6 +4,7 @@ use std::path::PathBuf;
 use anyhow::{Context, Result};
 use vespertide_config::{FileFormat, VespertideConfig};
 use vespertide_core::{MigrationPlan, TableDef};
+use vespertide_planner::validate_schema;
 
 /// Load vespertide.json config from current directory.
 pub fn load_config() -> Result<VespertideConfig> {
@@ -51,6 +52,12 @@ pub fn load_models(config: &VespertideConfig) -> Result<Vec<TableDef>> {
         }
     }
 
+    // Validate schema integrity before returning
+    if !tables.is_empty() {
+        validate_schema(&tables)
+            .map_err(|e| anyhow::anyhow!("schema validation failed: {}", e))?;
+    }
+
     Ok(tables)
 }
 

crates/vespertide-planner/src/error.rs

@@ -12,5 +12,17 @@ pub enum PlannerError {
     ColumnNotFound(String, String),
     #[error("index not found: {0}.{1}")]
     IndexNotFound(String, String),
+    #[error("duplicate table name: {0}")]
+    DuplicateTableName(String),
+    #[error("foreign key references non-existent table: {0}.{1} -> {2}")]
+    ForeignKeyTableNotFound(String, String, String),
+    #[error("foreign key references non-existent column: {0}.{1} -> {2}.{3}")]
+    ForeignKeyColumnNotFound(String, String, String, String),
+    #[error("index references non-existent column: {0}.{1} -> {2}")]
+    IndexColumnNotFound(String, String, String),
+    #[error("constraint references non-existent column: {0}.{1} -> {2}")]
+    ConstraintColumnNotFound(String, String, String),
+    #[error("constraint has empty column list: {0}.{1}")]
+    EmptyConstraintColumns(String, String),
 }
 

crates/vespertide-planner/src/lib.rs

@@ -3,9 +3,11 @@ pub mod diff;
 pub mod error;
 pub mod plan;
 pub mod schema;
+pub mod validate;
 
 pub use error::PlannerError;
 pub use plan::plan_next_migration;
 pub use schema::schema_from_plans;
 pub use diff::diff_schemas;
 pub use apply::apply_action;
+pub use validate::validate_schema;