tree-sitter sql traversing in neovim

gistfile1.lua

	local bufnr = vim.api.nvim_get_current_buf()
	local ok, parser = pcall(vim.treesitter.get_parser, bufnr, "sql")
	if not ok or not parser then
		vim.notify("Failed to get SQL parser", vim.log.levels.ERROR)
		return
	end

	local tree = parser:parse()[1]
	if not tree then
		vim.notify("No parse tree available", vim.log.levels.WARN)
		return
	end

	local root = tree:root()
	if not root then
		vim.notify("No root node in parse tree", vim.log.levels.WARN)
		return
	end

	-- Iterate over statement nodes
	for _, statement_node in root:iter_children() do
		if get_node_type(statement_node) == "statement" then
			for child in statement_node:iter_children() do
				if get_node_type(child) == "insert" then
					add_ghost_text_for_insert(child, bufnr)
				end
			end
		end
	end