wasCSharpSQLite – Blame information for rev 7
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1 | office | 1 | # 2009 November 10 |
2 | # |
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3 | # The author disclaims copyright to this source code. In place of |
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4 | # a legal notice, here is a blessing: |
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5 | # |
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6 | # May you do good and not evil. |
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7 | # May you find forgiveness for yourself and forgive others. |
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8 | # May you share freely, never taking more than you give. |
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9 | # |
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10 | #*********************************************************************** |
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11 | # Additional test cases for the COALESCE() and IFNULL() functions. |
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12 | # |
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13 | |||
14 | set testdir [file dirname $argv0] |
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15 | source $testdir/tester.tcl |
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16 | |||
17 | |||
18 | do_test coalesce-1.0 { |
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19 | db eval { |
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20 | CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c, d); |
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21 | INSERT INTO t1 VALUES(1, null, null, null); |
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22 | INSERT INTO t1 VALUES(2, 2, 99, 99); |
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23 | INSERT INTO t1 VALUES(3, null, 3, 99); |
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24 | INSERT INTO t1 VALUES(4, null, null, 4); |
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25 | INSERT INTO t1 VALUES(5, null, null, null); |
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26 | INSERT INTO t1 VALUES(6, 22, 99, 99); |
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27 | INSERT INTO t1 VALUES(7, null, 33, 99); |
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28 | INSERT INTO t1 VALUES(8, null, null, 44); |
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29 | |||
30 | SELECT coalesce(b,c,d) FROM t1 ORDER BY a; |
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31 | } |
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32 | } {{} 2 3 4 {} 22 33 44} |
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33 | do_test coalesce-1.1 { |
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34 | db eval { |
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35 | SELECT coalesce(d+c+b,d+c,d) FROM t1 ORDER BY a; |
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36 | } |
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37 | } {{} 200 102 4 {} 220 132 44} |
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38 | do_test coalesce-1.2 { |
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39 | db eval { |
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40 | SELECT ifnull(d+c+b,ifnull(d+c,d)) FROM t1 ORDER BY a; |
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41 | } |
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42 | } {{} 200 102 4 {} 220 132 44} |
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43 | do_test coalesce-1.3 { |
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44 | db eval { |
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45 | SELECT ifnull(ifnull(d+c+b,d+c),d) FROM t1 ORDER BY a; |
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46 | } |
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47 | } {{} 200 102 4 {} 220 132 44} |
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48 | do_test coalesce-1.4 { |
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49 | db eval { |
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50 | SELECT ifnull(ifnull(b,c),d) FROM t1 ORDER BY a; |
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51 | } |
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52 | } {{} 2 3 4 {} 22 33 44} |
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53 | do_test coalesce-1.5 { |
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54 | db eval { |
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55 | SELECT ifnull(b,ifnull(c,d)) FROM t1 ORDER BY a; |
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56 | } |
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57 | } {{} 2 3 4 {} 22 33 44} |
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58 | do_test coalesce-1.6 { |
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59 | db eval { |
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60 | SELECT coalesce(b,NOT b,-b,abs(b),lower(b),length(b),min(b,5),b*123,c) |
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61 | FROM t1 ORDER BY a; |
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62 | } |
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63 | } {{} 2 3 {} {} 22 33 {}} |
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64 | do_test coalesce-1.7 { |
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65 | db eval { |
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66 | SELECT ifnull(nullif(a,4),99) |
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67 | FROM t1 ORDER BY a; |
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68 | } |
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69 | } {1 2 3 99 5 6 7 8} |
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70 | do_test coalesce-1.8 { |
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71 | db eval { |
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72 | pragma vdbe_listing=on; |
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73 | SELECT coalesce( |
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74 | CASE WHEN b=2 THEN 123 END, |
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75 | CASE WHEN b=3 THEN 234 END, |
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76 | CASE WHEN c=3 THEN 345 WHEN c=33 THEN 456 END, |
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77 | d |
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78 | ) |
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79 | FROM t1 ORDER BY a; |
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80 | } |
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81 | } {{} 123 345 4 {} 99 456 44} |
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82 | |||
83 | |||
84 | finish_test |