indexer/postgres/params.go (2)

11-14: LGTM! Consider enhancing the documentation.

The interface is well-designed with a clear single responsibility.

Consider expanding the documentation to include an example:

 type keyCollection interface {
-	// Keys returns the key fields for the collection.
+	// Keys returns the key fields for the collection.
+	// For example, for a composite key (a, b), Keys() would return []interface{}{a, b}
 	Keys() []interface{}
 }

---

25-27: Add nil check and improve error handling.

While the implementation is correct, consider these improvements for better robustness:

 if kc, ok := key.(keyCollection); ok {
+    keys := kc.Keys()
+    if keys == nil {
+        return nil, nil, errors.New("keyCollection.Keys() returned nil")
+    }
-    return tm.bindParams(tm.typ.KeyFields, kc.Keys())
+    return tm.bindParams(tm.typ.KeyFields, keys)
 }

Also, consider making the slice error message more specific:

-return nil, nil, errors.New("expected key to be a slice")
+return nil, nil, fmt.Errorf("expected key to be []interface{} for composite key with %d fields, got %T", n, key)

collections/codec/indexing.go (1)

93-97: Consider enhancing the error message

While the error handling is correct, the error message could be more descriptive.

Consider this improvement:

-					return t, fmt.Errorf("expected string, got %T", a)
+					return t, fmt.Errorf("expected string, got %T with value: %v", a, a)

This would provide more context for debugging type mismatches.

collections/indexing.go (1)

136-138: LGTM! Consider adding a comment for clarity.

The nil check for keyDecoder.ToSchemaType is a good addition that provides flexibility in key decoding by allowing direct value returns when no schema transformation is needed.

Consider adding a comment to explain this bypass behavior:

+       // If no schema type transformation is defined, return the decoded value directly
        if keyDecoder.ToSchemaType == nil {
            return x, nil
        }

collections/keyset.go (1)

24-29: Enhance documentation for secondary index behavior.

While the function is well-implemented, the documentation could be more detailed about:

• What it means for a KeySet to be a secondary index
• The implications and use cases
• Any performance considerations

Consider expanding the documentation like this:

-// WithKeySetSecondaryIndex changes the behavior of the KeySet to be a secondary index.
+// WithKeySetSecondaryIndex changes the behavior of the KeySet to be a secondary index.
+// When enabled, the KeySet acts as a secondary index, allowing efficient lookups
+// based on alternative keys. This is useful when you need to maintain additional
+// access patterns to your data without duplicating the primary data structure.
+// Note that secondary indexes may have additional storage and performance overhead
+// compared to primary indexes.

collections/map.go (1)

37-39: Add documentation for the struct and field

Consider adding documentation to explain:

• The purpose of the mapOptions struct
• The impact of the isSecondaryIndex field on Map behavior

+// mapOptions configures the behavior of a Map collection.
 type mapOptions struct {
+	// isSecondaryIndex indicates whether this Map serves as a secondary index
+	// for another collection. When true, the Map is excluded from user-facing schemas.
 	isSecondaryIndex bool
 }

collections/pair.go (1)

36-39: Consider enhancing type safety and documentation.

While the implementation is functional, there are several areas for improvement:

1. The use of interface{} loses type safety. Consider using a more type-safe approach or documenting why interface{} is necessary for the PostgreSQL indexer integration.
2. The method could benefit from documentation explaining:
   • The handling of nil values
   • The order of returned keys
   • The relationship with PostgreSQL indexer integration

Add documentation and consider a more type-safe implementation:

+// Keys returns both keys of the pair as a slice of interface{}.
+// The keys are returned in order (key1, key2) regardless of whether they are nil.
+// This method is primarily used for PostgreSQL indexer integration.
 func (p Pair[K1, K2]) Keys() []interface{} {
     return []interface{}{p.K1(), p.K2()}
 }

simapp/app_di.go (1)

10-18: Consider adding error handling for database initialization.

While the imports are correct, the application might benefit from explicit error handling during database initialization, especially since PostgreSQL connections can fail.

Consider adding a connection health check in the NewSimApp function and proper connection cleanup in case of failures. I can help implement this if needed.

simapp/go.mod (2)

Line range hint 3-3: Invalid Go version specified

The Go version 1.23.1 does not exist. The latest stable version is 1.22.1.

Apply this diff to fix the version:

-go 1.23.1
+go 1.22.1

---

53-53: Consider updating pgx to the latest version

The current version v5.7.1 is outdated. Consider updating to the latest stable version v5.5.4 for potential bug fixes and improvements.

Apply this diff to update the version:

-require github.com/jackc/pgx/v5 v5.7.1
+require github.com/jackc/pgx/v5 v5.5.4

Configuration used: .coderabbit.yml
Review profile: CHILL

func (p Pair[K1, K2]) Keys() []interface{} {
    return []interface{}{p.K1(), p.K2()}
}

#!/bin/bash
# Search for types implementing Keys() []interface{}
ast-grep --pattern 'type $TYPE struct {
  $$$
}

func ($VAR $TYPE) Keys() []interface{} {
  $$$
}'

#!/bin/bash
# Let's try a broader search for Keys() method implementations
ast-grep --pattern 'func ($VAR $_) Keys() []interface{} {
  $$$
}'

# Also search for any references to keyCollection interface
rg -l "keyCollection"

# Search for any Keys() method calls
rg "Keys\(\)"

#!/bin/bash
# Let's search for the specific keyCollection interface implementation in collections/pair.go
cat collections/pair.go

# Also search for any other potential implementations
rg -A 5 "type.*struct.*{" collections/

#!/bin/bash
# Search for types using the default codec
rg -l "FallbackSchemaCodec" --type go

#!/bin/bash
# Search for usages of FallbackSchemaCodec to understand its impact
rg "FallbackSchemaCodec" -A 5 -B 5 --type go

#!/bin/bash
# Search for any tests that might be affected by this change
rg "FallbackSchemaCodec" --type go "*_test.go"

#!/bin/bash
# Look for any custom types being used with this codec
ast-grep --pattern 'FallbackSchemaCodec[T]'

#!/bin/bash
# Look for test files in the collections directory
fd "_test.go" collections/

# Then search for schema codec related tests
rg "SchemaCodec|schema.StringKind|schema.JSONKind" collections/*_test.go

#!/bin/bash
# Look for any direct usage of schema kinds
rg "schema\.(String|JSON)Kind" collections/

#!/bin/bash
# Search for other NewKeySet calls in index implementations
ast-grep --pattern 'collections.NewKeySet($$$)'

# Search for WithKeySetSecondaryIndex usage
rg 'WithKeySetSecondaryIndex'

func (am AppModule) ModuleCodec() (schema.ModuleCodec, error) {
+    baseKeeper, ok := am.keeper.(keeper.BaseKeeper)
+    if !ok {
+        return nil, fmt.Errorf("keeper does not implement keeper.BaseKeeper")
+    }
-    return am.keeper.(keeper.BaseKeeper).Schema.ModuleCodec(collections.IndexingOptions{})
+    return baseKeeper.Schema.ModuleCodec(collections.IndexingOptions{})
}

#!/bin/bash
# Description: Verify that keeper always implements BaseKeeper to ensure type assertion safety

# Search for keeper initialization to verify BaseKeeper implementation
rg -l "keeper\." | xargs ast-grep --pattern 'NewKeeper($$$)'

#!/bin/bash
# Check the keeper implementation and BaseKeeper type
ast-grep --pattern 'type BaseKeeper struct {
  $$$
}'

# Check NewKeeper implementation
ast-grep --pattern 'func NewKeeper($$$) (BaseKeeper, error) {
  $$$
}'

# Search for other keeper types or interfaces
rg "type.*Keeper" -A 2

#!/bin/bash
# Check the AppModule implementation and keeper initialization
ast-grep --pattern 'func NewAppModule($$$) AppModule {
  $$$
}'

# Check where the keeper is used in ModuleCodec
rg -A 3 "ModuleCodec\(\)" 

#!/bin/bash
# Search for NewMap calls without options to ensure backward compatibility
rg "NewMap\([^)]*\)" --type go

#!/bin/bash
# Search for PostgreSQL indexer usage of the Keys() method
rg -l "Keys\(\)" --type go | xargs rg "postgres"

# Look for any special handling of null values in the indexer
rg "interface\{\}" --type go | xargs rg "null.*postgres"

#!/bin/bash
# Search for PostgreSQL indexer implementation and usage
rg -A 5 "type.*Indexer.*struct" --type go
rg -A 5 "func.*Indexer" --type go
rg -A 5 "indexer.*postgres" --type go

runtime/builder.go (1)

102-109: Consider optimizing the override lookup performance.

The current implementation iterates through all override configurations for each module. For better performance, consider pre-processing the overrides into a map.

Here's a suggested optimization:

func (a *AppBuilder) registerIndexer() error {
    if indexerOpts := a.appOptions.Get("indexer"); indexerOpts != nil {
+       // Pre-process overrides into a map for O(1) lookup
+       overrideMap := make(map[string]string)
+       for _, cfg := range a.app.config.OverrideStoreKeys {
+           overrideMap[cfg.ModuleName] = cfg.KvStoreKey
+       }
+
        moduleSet := map[string]any{}
        for modName, mod := range a.app.ModuleManager.Modules {
-           storeKey := modName
-           for _, cfg := range a.app.config.OverrideStoreKeys {
-               if cfg.ModuleName == modName {
-                   storeKey = cfg.KvStoreKey
-                   break
-               }
-           }
+           storeKey, exists := overrideMap[modName]
+           if !exists {
+               storeKey = modName
+           }
            moduleSet[storeKey] = mod
        }

collections/keyset.go (2)

24-29: Enhance documentation for secondary index behavior.

While the function is well-implemented, the documentation could be more detailed about:

• What it means for a KeySet to be a secondary index
• The implications of enabling this option
• When developers should use this option

Consider expanding the documentation like this:

-// WithKeySetSecondaryIndex changes the behavior of the KeySet to be a secondary index.
+// WithKeySetSecondaryIndex modifies the KeySet to behave as a secondary index,
+// enabling efficient lookups through alternative keys. This is useful when you need
+// to maintain additional access patterns to your data. When enabled, the KeySet
+// participates in referential integrity checks and cascading operations.

---

31-34: Add documentation for struct fields.

The struct fields lack documentation explaining their purpose and impact.

Consider adding field documentation:

 type keySetOptions struct {
-	uncheckedValue   bool
-	isSecondaryIndex bool
+	// uncheckedValue when true, allows values different from []byte{} during migrations
+	uncheckedValue   bool
+	// isSecondaryIndex when true, indicates this KeySet maintains secondary indexes
+	isSecondaryIndex bool
 }

collections/map.go (3)

30-35: Add godoc documentation for the withMapSecondaryIndex function.

While the function implementation is correct, it would benefit from comprehensive godoc documentation explaining:

• When to use this option
• The implications of setting a map as a secondary index
• Example usage

Add documentation like:

// withMapSecondaryIndex marks a Map as a secondary index. Secondary indexes are used for...
// Example usage:
//
//	myMap := NewMap[string, int](
//		builder, prefix, "mymap",
//		codec.StringKey, codec.IntValue,
//		withMapSecondaryIndex(true),
//	)

---

37-39: Add documentation for the mapOptions struct.

The struct and its field would benefit from documentation explaining their purpose and usage.

Add documentation like:

// mapOptions contains configuration options for Map instances.
type mapOptions struct {
    // isSecondaryIndex indicates whether this Map serves as a secondary index.
    // When true, the Map will be excluded from user-facing schema generation.
    isSecondaryIndex bool
}

---

49-63: Update NewMap documentation to include options parameter.

The implementation looks good and follows Go best practices. However, the function's documentation should be updated to explain the new options parameter.

Update the documentation to include:

// NewMap returns a Map given a StoreKey, a Prefix, human-readable name and the relative value and key encoders.
// Name and prefix must be unique within the schema and name must match the format specified by NameRegex, or
// else this method will panic.
//
// Optional configuration can be provided through functional options:
//   - withMapSecondaryIndex: marks the Map as a secondary index
//
// Example:
//
//	myMap := NewMap[string, int](
//		builder, prefix, "mymap",
//		codec.StringKey, codec.IntValue,
//		withMapSecondaryIndex(true),
//	)

collections/triple.go (1)

48-51: Consider enhancing type safety of the Keys() method.

The implementation looks good and aligns with the PR objectives for PostgreSQL indexer integration. However, consider a future enhancement to maintain type safety:

// Alternative type-safe approach
func (t Triple[K1, K2, K3]) TypedKeys() (K1, K2, K3) {
    return t.K1(), t.K2(), t.K3()
}

collections/quad.go (1)

57-60: Enhance method documentation

The implementation looks good, but the documentation could be more descriptive. Consider expanding it to explain that the method returns all four keys in order, and that nil values are handled by returning their zero values.

Consider updating the comment to:

-// Keys returns key1, key2, key3 and key4 as a slice.
+// Keys returns all four keys as a slice of interfaces, in order (key1, key2, key3, key4).
+// If any key is nil, its zero value is returned in the slice.

Configuration used: .coderabbit.yml
Review profile: CHILL

#!/bin/bash
# Description: Verify consistent Keys() method implementation across collection types
# Expected: Similar Keys() method implementations returning []interface{} in Pair and Quad

# Check Pair implementation
echo "Checking Pair implementation:"
rg -A 4 "func \(.*Pair.*\) Keys\(\) \[\]interface{}" --type go

echo "Checking Quad implementation:"
rg -A 4 "func \(.*Quad.*\) Keys\(\) \[\]interface{}" --type go

#!/bin/bash
# Description: Verify consistent Keys() method implementation across collection types
# Let's fix the regex and search for Keys() method

echo "Checking Pair implementation:"
rg -A 4 "Keys\(\) \[]interface{}" collections/pair.go

echo "Checking Quad implementation:"
rg -A 4 "Keys\(\) \[]interface{}" collections/quad.go

#!/bin/bash
# Description: Verify consistent Keys() method implementation across collection types
# Let's use ast-grep to find the Keys() method implementations

echo "Checking Pair implementation:"
ast-grep --pattern 'func ($_) Keys() []interface{} { $_$ }' collections/pair.go

echo "Checking Quad implementation:"
ast-grep --pattern 'func ($_) Keys() []interface{} { $_$ }' collections/quad.go

#!/bin/bash
# Let's try a simpler approach - just look at the content of these files

echo "Content of collections/pair.go:"
cat collections/pair.go

echo -e "\nContent of collections/quad.go:"
cat collections/quad.go

#!/bin/bash
# Description: Check for similar Keys() method implementations in related types
# Expected: Find similar implementations in Pair and other collection types

# Search for Keys method implementations
echo "Searching for Keys method implementations..."
ast-grep --pattern 'func ($_ $_) Keys() []interface{} {
  $$$
}'

# Search for related collection types
echo "Searching for related collection types..."
rg "type (Pair|Triple|Quad)\[" -A 5

#!/bin/bash
# Description: Verify that the PostgreSQL driver version is compatible with the indexer
# Test: Check if there are any version constraints in the indexer module
rg -A 5 "github.com/jackc/pgx/v5" ../indexer/postgres/go.mod

#!/bin/bash
# Let's first check if the file exists in the repository
fd "go.mod" --type f

# Then let's check for any PostgreSQL-related dependencies in all go.mod files
rg "github.com/jackc/pgx" --type go-mod

# Also check for the cosmos indexer postgres module
rg "cosmossdk.io/indexer/postgres" --type go-mod

#!/bin/bash
# Check the content of the indexer/postgres/go.mod file
cat indexer/postgres/go.mod

# Check the content of tests/go.mod file
cat tests/go.mod

collections/indexes/multi.go (1)

67-73: LGTM! Consider documenting the secondary index behavior.

The addition of WithKeySetSecondaryIndex() in the default initialization path is correct and consistent with the changes above.

Consider adding a comment explaining the significance of WithKeySetSecondaryIndex() and its impact on the Multi index behavior, especially in the context of PostgreSQL integration.

Configuration used: .coderabbit.yml
Review profile: CHILL

#!/bin/bash
# Search for other instances where both options are used together
# to ensure consistent behavior across the codebase
rg -l 'WithKeySetUncheckedValue.*WithKeySetSecondaryIndex|WithKeySetSecondaryIndex.*WithKeySetUncheckedValue'

#!/bin/bash
# Let's first check the implementation of WithKeySetSecondaryIndex
ast-grep --pattern 'func WithKeySetSecondaryIndex'

# Then check for any tests or usage patterns of these options
rg -A 5 'WithKeySetSecondaryIndex\(\)' 

# Also check for any related documentation or comments
rg -B 2 'WithKeySetSecondaryIndex'