Parameterized SQL statement: Difference between revisions
Content added Content deleted
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Uses the SQLite package. |
Uses the SQLite package. |
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<lang Julia> |
<lang Julia> |
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using SQLite |
using SQLite |
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name = "Smith, Steve" |
name = "Smith, Steve" |
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jerseys = Dict("Smith, Steve" => |
jerseys = Dict("Smith, Steve" => 42) |
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BOOL(tf) = if(tf) "TRUE" else "FALSE" end |
BOOL(tf) = if(tf) "TRUE" else "FALSE" end |
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SQLite.execute!(db, "create table players (id integer primary key, |
SQLite.execute!(db, "create table players (id integer primary key, |
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name text, |
name text, |
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score |
score, |
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active, |
active, |
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jerseynum integer)") |
jerseynum integer)") |
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SQLite.query(db, "INSERT INTO players (name, score, active, jerseynum) values ('Jones, James', 9, 'FALSE', 42)"); |
SQLite.query(db, "INSERT INTO players (name, score, active, jerseynum) values ('Jones, James', '9', 'FALSE', 42)"); |
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SQLite.query(db, "UPDATE players SET name = ?, score = ?, active = ? WHERE jerseynum = ?"; |
SQLite.query(db, "UPDATE players SET name = ?, score = ?, active = ? WHERE jerseynum = ?"; |
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values = ["Smith, Steve", 42, true, jerseys[name]]) |
values = ["Smith, Steve", 42, BOOL(true), jerseys[name]]) |
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tbl = SQLite.query(db, "SELECT * from players") |
tbl = SQLite.query(db, "SELECT * from players") |
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println(showall(tbl)) |
println(showall(tbl)) |
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</lang> |
</lang> |
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{{Output}}<pre> |
{{Output}}<pre> |
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1×5 DataFrames.DataFrame |
1×5 DataFrames.DataFrame |
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│ Row │ id │ name │ score │ active |
│ Row │ id │ name │ score │ active │ jerseynum │ |
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├─────┼────┼────────────────┼───────┼────────┼───────────┤ |
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├─────┼────┼────────────────┼───────┼─────────┼───────────┤ |
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│ 1 │ 1 │ " |
│ 1 │ 1 │ "Smith, Steve" │ 42 │ "TRUE" │ 42 │ |
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</pre> |
</pre> |
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