BigQuery の LSP でスキーマ補完を効かせる nvim-lspconfig

local lspInstaller = require("nvim-lsp-installer")

serverOnAttach['bqls'] = function (_, bufnr)
    local function nnoremap_silent_buffer(lhs, rhs)
        vim.api.nvim_buf_set_keymap(bufnr, 'n', lhs, rhs, { noremap=true, silent=true })
    end

    nnoremap_silent_buffer('gu', '<Cmd>lua print("LSP[bqls][Request] bq/updateCache") vim.lsp.buf_request(bufnr, "bq/updateCache", {}, function(_, res, _, _) print("LSP[bqls][Response]", res) end)<CR>')
    nnoremap_silent_buffer('gc', '<Cmd>lua print("LSP[bqls][Request] bq/clearCache") vim.lsp.buf_request(bufnr, "bq/clearCache", {}, function(_, res, _, _) print("LSP[bqls][Response]", res) end)<CR>')
end

lspInstaller.on_server_ready(function(server)
    local opts = {
        on_attach = on_attach,  -- e.g.
    }

    if serverOpts[server.name] then
        for k, v in pairs(serverOpts[server.name]) do opts[k] = v end
    end

    if serverOnAttach[server.name] then
        opts.on_attach = function (client, bufnr)
            on_attach(client, bufnr)
            serverOnAttach[server.name](client, bufnr)
        end
    end

    server:setup(opts)
    vim.cmd [[ do User LspAttachBuffers ]]
end)