qloadm("tools/tpch/001.qs")
duckdb <- asNamespace("duckdb")
drv <- duckdb::duckdb()
con <- DBI::dbConnect(drv)
experimental <- FALSE
invisible(duckdb$rapi_load_rfuns(drv@database_ref))
invisible(DBI::dbExecute(con, 'CREATE MACRO "=="(x, y) AS (x == y)'))
invisible(DBI::dbExecute(con, 'CREATE MACRO "___coalesce"(x, y) AS COALESCE(x, y)'))
df1 <- lineitem
"select"
rel1 <- duckdb$rel_from_df(con, df1, experimental = experimental)
"select"
rel2 <- duckdb$rel_project(
rel1,
list(
{
tmp_expr <- duckdb$expr_reference("l_orderkey")
duckdb$expr_set_alias(tmp_expr, "l_orderkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_returnflag")
duckdb$expr_set_alias(tmp_expr, "l_returnflag")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_extendedprice")
duckdb$expr_set_alias(tmp_expr, "l_extendedprice")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_discount")
duckdb$expr_set_alias(tmp_expr, "l_discount")
tmp_expr
}
)
)
"filter"
rel3 <- duckdb$rel_filter(
rel2,
list(
duckdb$expr_function(
"r_base::==",
list(
duckdb$expr_reference("l_returnflag"),
if ("experimental" %in% names(formals(duckdb$expr_constant))) {
duckdb$expr_constant("R", experimental = experimental)
} else {
duckdb$expr_constant("R")
}
)
)
)
)
"select"
rel4 <- duckdb$rel_project(
rel3,
list(
{
tmp_expr <- duckdb$expr_reference("l_orderkey")
duckdb$expr_set_alias(tmp_expr, "l_orderkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_extendedprice")
duckdb$expr_set_alias(tmp_expr, "l_extendedprice")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_discount")
duckdb$expr_set_alias(tmp_expr, "l_discount")
tmp_expr
}
)
)
df2 <- orders
"select"
rel5 <- duckdb$rel_from_df(con, df2, experimental = experimental)
"select"
rel6 <- duckdb$rel_project(
rel5,
list(
{
tmp_expr <- duckdb$expr_reference("o_orderkey")
duckdb$expr_set_alias(tmp_expr, "o_orderkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("o_custkey")
duckdb$expr_set_alias(tmp_expr, "o_custkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("o_orderdate")
duckdb$expr_set_alias(tmp_expr, "o_orderdate")
tmp_expr
}
)
)
"filter"
rel7 <- duckdb$rel_filter(
rel6,
list(
duckdb$expr_function(
"r_base::>=",
list(
duckdb$expr_reference("o_orderdate"),
if ("experimental" %in% names(formals(duckdb$expr_constant))) {
duckdb$expr_constant(as.Date("1993-10-01"), experimental = experimental)
} else {
duckdb$expr_constant(as.Date("1993-10-01"))
}
)
),
duckdb$expr_function(
"r_base::<",
list(
duckdb$expr_reference("o_orderdate"),
if ("experimental" %in% names(formals(duckdb$expr_constant))) {
duckdb$expr_constant(as.Date("1994-01-01"), experimental = experimental)
} else {
duckdb$expr_constant(as.Date("1994-01-01"))
}
)
)
)
)
"select"
rel8 <- duckdb$rel_project(
rel7,
list(
{
tmp_expr <- duckdb$expr_reference("o_orderkey")
duckdb$expr_set_alias(tmp_expr, "o_orderkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("o_custkey")
duckdb$expr_set_alias(tmp_expr, "o_custkey")
tmp_expr
}
)
)
"inner_join"
rel9 <- duckdb$rel_set_alias(rel4, "lhs")
"inner_join"
rel10 <- duckdb$rel_set_alias(rel8, "rhs")
"inner_join"
rel11 <- duckdb$rel_join(
rel9,
rel10,
list(
duckdb$expr_function(
"==",
list(duckdb$expr_reference("l_orderkey", rel9), duckdb$expr_reference("o_orderkey", rel10))
)
),
"inner"
)
"inner_join"
rel12 <- duckdb$rel_project(
rel11,
list(
{
tmp_expr <- duckdb$expr_function(
"___coalesce",
list(duckdb$expr_reference("l_orderkey", rel9), duckdb$expr_reference("o_orderkey", rel10))
)
duckdb$expr_set_alias(tmp_expr, "l_orderkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_extendedprice")
duckdb$expr_set_alias(tmp_expr, "l_extendedprice")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_discount")
duckdb$expr_set_alias(tmp_expr, "l_discount")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("o_custkey")
duckdb$expr_set_alias(tmp_expr, "o_custkey")
tmp_expr
}
)
)
"select"
rel13 <- duckdb$rel_project(
rel12,
list(
{
tmp_expr <- duckdb$expr_reference("l_extendedprice")
duckdb$expr_set_alias(tmp_expr, "l_extendedprice")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_discount")
duckdb$expr_set_alias(tmp_expr, "l_discount")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("o_custkey")
duckdb$expr_set_alias(tmp_expr, "o_custkey")
tmp_expr
}
)
)
"mutate"
rel14 <- duckdb$rel_project(
rel13,
list(
{
tmp_expr <- duckdb$expr_reference("l_extendedprice")
duckdb$expr_set_alias(tmp_expr, "l_extendedprice")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_discount")
duckdb$expr_set_alias(tmp_expr, "l_discount")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("o_custkey")
duckdb$expr_set_alias(tmp_expr, "o_custkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_function(
"*",
list(
duckdb$expr_reference("l_extendedprice"),
duckdb$expr_function(
"-",
list(
if ("experimental" %in% names(formals(duckdb$expr_constant))) {
duckdb$expr_constant(1, experimental = experimental)
} else {
duckdb$expr_constant(1)
},
duckdb$expr_reference("l_discount")
)
)
)
)
duckdb$expr_set_alias(tmp_expr, "volume")
tmp_expr
}
)
)
"summarise"
rel15 <- duckdb$rel_aggregate(
rel14,
groups = list(duckdb$expr_reference("o_custkey")),
aggregates = list(
{
tmp_expr <- duckdb$expr_function("sum", list(duckdb$expr_reference("volume")))
duckdb$expr_set_alias(tmp_expr, "revenue")
tmp_expr
}
)
)
df3 <- customer
"select"
rel16 <- duckdb$rel_from_df(con, df3, experimental = experimental)
"select"
rel17 <- duckdb$rel_project(
rel16,
list(
{
tmp_expr <- duckdb$expr_reference("c_custkey")
duckdb$expr_set_alias(tmp_expr, "c_custkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_nationkey")
duckdb$expr_set_alias(tmp_expr, "c_nationkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_name")
duckdb$expr_set_alias(tmp_expr, "c_name")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_acctbal")
duckdb$expr_set_alias(tmp_expr, "c_acctbal")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_phone")
duckdb$expr_set_alias(tmp_expr, "c_phone")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_address")
duckdb$expr_set_alias(tmp_expr, "c_address")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_comment")
duckdb$expr_set_alias(tmp_expr, "c_comment")
tmp_expr
}
)
)
"inner_join"
rel18 <- duckdb$rel_set_alias(rel17, "lhs")
"inner_join"
rel19 <- duckdb$rel_set_alias(rel15, "rhs")
"inner_join"
rel20 <- duckdb$rel_join(
rel18,
rel19,
list(
duckdb$expr_function(
"==",
list(duckdb$expr_reference("c_custkey", rel18), duckdb$expr_reference("o_custkey", rel19))
)
),
"inner"
)
"inner_join"
rel21 <- duckdb$rel_project(
rel20,
list(
{
tmp_expr <- duckdb$expr_function(
"___coalesce",
list(duckdb$expr_reference("c_custkey", rel18), duckdb$expr_reference("o_custkey", rel19))
)
duckdb$expr_set_alias(tmp_expr, "c_custkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_nationkey")
duckdb$expr_set_alias(tmp_expr, "c_nationkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_name")
duckdb$expr_set_alias(tmp_expr, "c_name")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_acctbal")
duckdb$expr_set_alias(tmp_expr, "c_acctbal")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_phone")
duckdb$expr_set_alias(tmp_expr, "c_phone")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_address")
duckdb$expr_set_alias(tmp_expr, "c_address")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_comment")
duckdb$expr_set_alias(tmp_expr, "c_comment")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("revenue")
duckdb$expr_set_alias(tmp_expr, "revenue")
tmp_expr
}
)
)
df4 <- nation
"select"
rel22 <- duckdb$rel_from_df(con, df4, experimental = experimental)
"select"
rel23 <- duckdb$rel_project(
rel22,
list(
{
tmp_expr <- duckdb$expr_reference("n_nationkey")
duckdb$expr_set_alias(tmp_expr, "n_nationkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("n_name")
duckdb$expr_set_alias(tmp_expr, "n_name")
tmp_expr
}
)
)
"inner_join"
rel24 <- duckdb$rel_set_alias(rel21, "lhs")
"inner_join"
rel25 <- duckdb$rel_set_alias(rel23, "rhs")
"inner_join"
rel26 <- duckdb$rel_join(
rel24,
rel25,
list(
duckdb$expr_function(
"==",
list(duckdb$expr_reference("c_nationkey", rel24), duckdb$expr_reference("n_nationkey", rel25))
)
),
"inner"
)
"inner_join"
rel27 <- duckdb$rel_project(
rel26,
list(
{
tmp_expr <- duckdb$expr_reference("c_custkey")
duckdb$expr_set_alias(tmp_expr, "c_custkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_function(
"___coalesce",
list(duckdb$expr_reference("c_nationkey", rel24), duckdb$expr_reference("n_nationkey", rel25))
)
duckdb$expr_set_alias(tmp_expr, "c_nationkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_name")
duckdb$expr_set_alias(tmp_expr, "c_name")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_acctbal")
duckdb$expr_set_alias(tmp_expr, "c_acctbal")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_phone")
duckdb$expr_set_alias(tmp_expr, "c_phone")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_address")
duckdb$expr_set_alias(tmp_expr, "c_address")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_comment")
duckdb$expr_set_alias(tmp_expr, "c_comment")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("revenue")
duckdb$expr_set_alias(tmp_expr, "revenue")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("n_name")
duckdb$expr_set_alias(tmp_expr, "n_name")
tmp_expr
}
)
)
"select"
rel28 <- duckdb$rel_project(
rel27,
list(
{
tmp_expr <- duckdb$expr_reference("c_custkey")
duckdb$expr_set_alias(tmp_expr, "c_custkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_name")
duckdb$expr_set_alias(tmp_expr, "c_name")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("revenue")
duckdb$expr_set_alias(tmp_expr, "revenue")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_acctbal")
duckdb$expr_set_alias(tmp_expr, "c_acctbal")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("n_name")
duckdb$expr_set_alias(tmp_expr, "n_name")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_address")
duckdb$expr_set_alias(tmp_expr, "c_address")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_phone")
duckdb$expr_set_alias(tmp_expr, "c_phone")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("c_comment")
duckdb$expr_set_alias(tmp_expr, "c_comment")
tmp_expr
}
)
)
"arrange"
rel29 <- duckdb$rel_order(rel28, list(duckdb$expr_reference("revenue")))
"head"
rel30 <- duckdb$rel_limit(rel29, 20)
rel30
duckdb$rel_to_altrep(rel30)
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.