Fluent Parquet schema builder exposed to JavaScript. More...

Public Member Functions

WasmSchemaBuilder (const std::string &name)

Construct a new schema builder.

Schema build ()

Finalize and return the immutable Schema object.

Column adders (chainable)

Each method appends a column of the given physical type and returns *this so calls can be chained.

Parameters

col	Column name.

Returns: Reference to this builder for chaining.

WasmSchemaBuilder & addBool (const std::string &col)

WasmSchemaBuilder & addInt32 (const std::string &col)

WasmSchemaBuilder & addInt64 (const std::string &col)

WasmSchemaBuilder & addFloat (const std::string &col)

WasmSchemaBuilder & addDouble (const std::string &col)

WasmSchemaBuilder & addString (const std::string &col)

Detailed Description

Fluent Parquet schema builder exposed to JavaScript.

Wraps the core SchemaBuilder with a chainable API suitable for embind:

const schema = new Module.SchemaBuilder("my_table")
    .addInt64("id")
    .addString("name")
    .build();

Definition at line 164 of file signet_wasm.cpp.

Constructor & Destructor Documentation

◆ WasmSchemaBuilder()

WasmSchemaBuilder::WasmSchemaBuilder ( const std::string & name )

inlineexplicit

Construct a new schema builder.

Parameters

name	Root schema / message name for the Parquet file metadata.

Definition at line 169 of file signet_wasm.cpp.

Member Function Documentation

◆ addBool()

WasmSchemaBuilder & WasmSchemaBuilder::addBool ( const std::string & col )

inline

Definition at line 177 of file signet_wasm.cpp.

◆ addDouble()

WasmSchemaBuilder & WasmSchemaBuilder::addDouble ( const std::string & col )

inline

Definition at line 181 of file signet_wasm.cpp.

◆ addFloat()

WasmSchemaBuilder & WasmSchemaBuilder::addFloat ( const std::string & col )

inline

Definition at line 180 of file signet_wasm.cpp.

◆ addInt32()

WasmSchemaBuilder & WasmSchemaBuilder::addInt32 ( const std::string & col )

inline

Definition at line 178 of file signet_wasm.cpp.

◆ addInt64()

WasmSchemaBuilder & WasmSchemaBuilder::addInt64 ( const std::string & col )

inline

Definition at line 179 of file signet_wasm.cpp.

◆ addString()

WasmSchemaBuilder & WasmSchemaBuilder::addString ( const std::string & col )

inline

Definition at line 182 of file signet_wasm.cpp.

◆ build()

Schema WasmSchemaBuilder::build ( )

inline

Finalize and return the immutable Schema object.

Definition at line 186 of file signet_wasm.cpp.

The documentation for this class was generated from the following file:

wasm/signet_wasm.cpp