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| Offset 96, 37 lines modified | Offset 96, 37 lines modified |
| 96 | Listing·of·files: | 96 | Listing·of·files: |
| 97 | ····*·_\x8a_\x8d_\x8j_\x8a_\x8c_\x8e_\x8n_\x8c_\x8y_\x8__\x8l_\x8i_\x8s_\x8t_\x8._\x8p_\x8y | 97 | ····*·_\x8a_\x8d_\x8j_\x8a_\x8c_\x8e_\x8n_\x8c_\x8y_\x8__\x8l_\x8i_\x8s_\x8t_\x8._\x8p_\x8y |
| 98 | *\x8**\x8**\x8**\x8*·A\x8As\x8ss\x8so\x8oc\x8ci\x8ia\x8at\x8ti\x8io\x8on\x8ns\x8s_\x8?\x8¶·*\x8**\x8**\x8**\x8* | 98 | *\x8**\x8**\x8**\x8*·A\x8As\x8ss\x8so\x8oc\x8ci\x8ia\x8at\x8ti\x8io\x8on\x8ns\x8s_\x8?\x8¶·*\x8**\x8**\x8**\x8* |
| 99 | Examples·illustrating·the·usage·of·the·“association·object”·pattern,·where·an | 99 | Examples·illustrating·the·usage·of·the·“association·object”·pattern,·where·an |
| 100 | intermediary·class·mediates·the·relationship·between·two·classes·that·are | 100 | intermediary·class·mediates·the·relationship·between·two·classes·that·are |
| 101 | associated·in·a·many-to-many·pattern. | 101 | associated·in·a·many-to-many·pattern. |
| 102 | Listing·of·files: | 102 | Listing·of·files: |
| 103 | ····*·_\x8b_\x8a_\x8s_\x8i_\x8c_\x8__\x8a_\x8s_\x8s_\x8o_\x8c_\x8i_\x8a_\x8t_\x8i_\x8o_\x8n_\x8._\x8p_\x8y·-·Illustrate·a·many-to-many·relationship·between·an | |
| 104 | ······“Order”·and·a·collection·of·“Item”·objects,·associating·a·purchase·price | |
| 105 | ······with·each·via·an·association·object·called·“OrderItem” | |
| 106 | _.d_.i_.c_.t_.__.o_.f_.__.s_.e_.t_.s_.__.w_.i_.t_.h_.__.d_.e_.f_.a_.u_.l_.t_.._.p_.y·-·An·advanced·association·proxy·example·which | 103 | ····*·_.d_.i_.c_.t_.__.o_.f_.__.s_.e_.t_.s_.__.w_.i_.t_.h_.__.d_.e_.f_.a_.u_.l_.t_.._.p_.y·-·An·advanced·association·proxy·example |
| 107 | illustrates·nesting·of·association·proxies·to·produce·multi-level·Python | 104 | ······which·illustrates·nesting·of·association·proxies·to·produce·multi-level |
| 108 | collections,·in·this·case·a·dictionary·with·string·keys·and·sets·of·integers·as | 105 | ······Python·collections,·in·this·case·a·dictionary·with·string·keys·and·sets |
| 109 | values,·which·conceal·the·underlying·mapped·classes. | 106 | ······of·integers·as·values,·which·conceal·the·underlying·mapped·classes. |
| 110 | _\x8p_\x8r_\x8o_\x8x_\x8i_\x8e_\x8d_\x8__\x8a_\x8s_\x8s_\x8o_\x8c_\x8i_\x8a_\x8t_\x8i_\x8o_\x8n_\x8._\x8p_\x8y·-·Same·example·as·basic_association,·adding·in·usage·of | 107 | _\x8p_\x8r_\x8o_\x8x_\x8i_\x8e_\x8d_\x8__\x8a_\x8s_\x8s_\x8o_\x8c_\x8i_\x8a_\x8t_\x8i_\x8o_\x8n_\x8._\x8p_\x8y·-·Same·example·as·basic_association,·adding·in·usage·of |
| 111 | _\x8s_\x8q_\x8l_\x8a_\x8l_\x8c_\x8h_\x8e_\x8m_\x8y_\x8._\x8e_\x8x_\x8t_\x8._\x8a_\x8s_\x8s_\x8o_\x8c_\x8i_\x8a_\x8t_\x8i_\x8o_\x8n_\x8p_\x8r_\x8o_\x8x_\x8y·to·make·explicit·references·to·OrderItem | 108 | _\x8s_\x8q_\x8l_\x8a_\x8l_\x8c_\x8h_\x8e_\x8m_\x8y_\x8._\x8e_\x8x_\x8t_\x8._\x8a_\x8s_\x8s_\x8o_\x8c_\x8i_\x8a_\x8t_\x8i_\x8o_\x8n_\x8p_\x8r_\x8o_\x8x_\x8y·to·make·explicit·references·to·OrderItem |
| 112 | optional. | 109 | optional. |
| | 110 | _\x8b_\x8a_\x8s_\x8i_\x8c_\x8__\x8a_\x8s_\x8s_\x8o_\x8c_\x8i_\x8a_\x8t_\x8i_\x8o_\x8n_\x8._\x8p_\x8y·-·Illustrate·a·many-to-many·relationship·between·an |
| | 111 | “Order”·and·a·collection·of·“Item”·objects,·associating·a·purchase·price·with |
| | 112 | each·via·an·association·object·called·“OrderItem” |
| 113 | *\x8**\x8**\x8**\x8*·A\x8As\x8sy\x8yn\x8nc\x8ci\x8io\x8o·I\x8In\x8nt\x8te\x8eg\x8gr\x8ra\x8at\x8ti\x8io\x8on\x8n_\x8?\x8¶·*\x8**\x8**\x8**\x8* | 113 | *\x8**\x8**\x8**\x8*·A\x8As\x8sy\x8yn\x8nc\x8ci\x8io\x8o·I\x8In\x8nt\x8te\x8eg\x8gr\x8ra\x8at\x8ti\x8io\x8on\x8n_\x8?\x8¶·*\x8**\x8**\x8**\x8* |
| 114 | Examples·illustrating·the·asyncio·engine·feature·of·SQLAlchemy. | 114 | Examples·illustrating·the·asyncio·engine·feature·of·SQLAlchemy. |
| 115 | Listing·of·files: | 115 | Listing·of·files: |
| | 116 | ····*·_\x8g_\x8a_\x8t_\x8h_\x8e_\x8r_\x8__\x8o_\x8r_\x8m_\x8__\x8s_\x8t_\x8a_\x8t_\x8e_\x8m_\x8e_\x8n_\x8t_\x8s_\x8._\x8p_\x8y·-·Illustrates·how·to·run·many·statements |
| | 117 | ······concurrently·using·asyncio.gather()·along·many·asyncio·database |
| | 118 | ······connections,·merging·ORM·results·into·a·single·AsyncSession. |
| 116 | ····*·_\x8a_\x8s_\x8y_\x8n_\x8c_\x8__\x8o_\x8r_\x8m_\x8._\x8p_\x8y·-·Illustrates·use·of·the·sqlalchemy.ext.asyncio.AsyncSession | 119 | _\x8a_\x8s_\x8y_\x8n_\x8c_\x8__\x8o_\x8r_\x8m_\x8._\x8p_\x8y·-·Illustrates·use·of·the·sqlalchemy.ext.asyncio.AsyncSession |
| 117 | ······object·for·asynchronous·ORM·use. | 120 | object·for·asynchronous·ORM·use. |
| 118 | _\x8g_\x8a_\x8t_\x8h_\x8e_\x8r_\x8__\x8o_\x8r_\x8m_\x8__\x8s_\x8t_\x8a_\x8t_\x8e_\x8m_\x8e_\x8n_\x8t_\x8s_\x8._\x8p_\x8y·-·Illustrates·how·to·run·many·statements·concurrently | |
| 119 | using·asyncio.gather()·along·many·asyncio·database·connections,·merging·ORM | |
| 120 | results·into·a·single·AsyncSession. | |
| 121 | _\x8g_\x8r_\x8e_\x8e_\x8n_\x8l_\x8e_\x8t_\x8__\x8o_\x8r_\x8m_\x8._\x8p_\x8y·-·Illustrates·use·of·the·sqlalchemy.ext.asyncio.AsyncSession | |
| 122 | object·for·asynchronous·ORM·use,·including·the·optional·run_sync()·method. | |
| 123 | _\x8b_\x8a_\x8s_\x8i_\x8c_\x8._\x8p_\x8y·-·Illustrates·the·asyncio·engine·/·connection·interface. | |
| 124 | _\x8a_\x8s_\x8y_\x8n_\x8c_\x8__\x8o_\x8r_\x8m_\x8__\x8w_\x8r_\x8i_\x8t_\x8e_\x8o_\x8n_\x8l_\x8y_\x8._\x8p_\x8y·-·Illustrates·using·w\x8wr\x8ri\x8it\x8te\x8e·o\x8on\x8nl\x8ly\x8y·r\x8re\x8el\x8la\x8at\x8ti\x8io\x8on\x8ns\x8sh\x8hi\x8ip\x8ps\x8s·for·simpler | 121 | _\x8a_\x8s_\x8y_\x8n_\x8c_\x8__\x8o_\x8r_\x8m_\x8__\x8w_\x8r_\x8i_\x8t_\x8e_\x8o_\x8n_\x8l_\x8y_\x8._\x8p_\x8y·-·Illustrates·using·w\x8wr\x8ri\x8it\x8te\x8e·o\x8on\x8nl\x8ly\x8y·r\x8re\x8el\x8la\x8at\x8ti\x8io\x8on\x8ns\x8sh\x8hi\x8ip\x8ps\x8s·for·simpler |
| 125 | handling·of·ORM·collections·under·asyncio. | 122 | handling·of·ORM·collections·under·asyncio. |
| | 123 | _\x8b_\x8a_\x8s_\x8i_\x8c_\x8._\x8p_\x8y·-·Illustrates·the·asyncio·engine·/·connection·interface. |
| | 124 | _\x8g_\x8r_\x8e_\x8e_\x8n_\x8l_\x8e_\x8t_\x8__\x8o_\x8r_\x8m_\x8._\x8p_\x8y·-·Illustrates·use·of·the·sqlalchemy.ext.asyncio.AsyncSession |
| | 125 | object·for·asynchronous·ORM·use,·including·the·optional·run_sync()·method. |
| 126 | *\x8**\x8**\x8**\x8*·D\x8Di\x8ir\x8re\x8ec\x8ct\x8te\x8ed\x8d·G\x8Gr\x8ra\x8ap\x8ph\x8hs\x8s_\x8?\x8¶·*\x8**\x8**\x8**\x8* | 126 | *\x8**\x8**\x8**\x8*·D\x8Di\x8ir\x8re\x8ec\x8ct\x8te\x8ed\x8d·G\x8Gr\x8ra\x8ap\x8ph\x8hs\x8s_\x8?\x8¶·*\x8**\x8**\x8**\x8* |
| 127 | An·example·of·persistence·for·a·directed·graph·structure.·The·graph·is·stored | 127 | An·example·of·persistence·for·a·directed·graph·structure.·The·graph·is·stored |
| 128 | as·a·collection·of·edges,·each·referencing·both·a·“lower”·and·an·“upper”·node | 128 | as·a·collection·of·edges,·each·referencing·both·a·“lower”·and·an·“upper”·node |
| 129 | in·a·table·of·nodes.·Basic·persistence·and·querying·for·lower-·and·upper- | 129 | in·a·table·of·nodes.·Basic·persistence·and·querying·for·lower-·and·upper- |
| 130 | neighbors·are·illustrated: | 130 | neighbors·are·illustrated: |
| 131 | n2·=·Node(2) | 131 | n2·=·Node(2) |
| 132 | n5·=·Node(5) | 132 | n5·=·Node(5) |
| Offset 151, 28 lines modified | Offset 151, 28 lines modified |
| 151 | The·_\x8d_\x8i_\x8s_\x8c_\x8r_\x8i_\x8m_\x8i_\x8n_\x8a_\x8t_\x8o_\x8r_\x8__\x8o_\x8n_\x8__\x8a_\x8s_\x8s_\x8o_\x8c_\x8i_\x8a_\x8t_\x8i_\x8o_\x8n_\x8._\x8p_\x8y·and·_\x8g_\x8e_\x8n_\x8e_\x8r_\x8i_\x8c_\x8__\x8f_\x8k_\x8._\x8p_\x8y·scripts·are·modernized | 151 | The·_\x8d_\x8i_\x8s_\x8c_\x8r_\x8i_\x8m_\x8i_\x8n_\x8a_\x8t_\x8o_\x8r_\x8__\x8o_\x8n_\x8__\x8a_\x8s_\x8s_\x8o_\x8c_\x8i_\x8a_\x8t_\x8i_\x8o_\x8n_\x8._\x8p_\x8y·and·_\x8g_\x8e_\x8n_\x8e_\x8r_\x8i_\x8c_\x8__\x8f_\x8k_\x8._\x8p_\x8y·scripts·are·modernized |
| 152 | versions·of·recipes·presented·in·the·2007·blog·post·_\x8P_\x8o_\x8l_\x8y_\x8m_\x8o_\x8r_\x8p_\x8h_\x8i_\x8c_\x8·_\x8A_\x8s_\x8s_\x8o_\x8c_\x8i_\x8a_\x8t_\x8i_\x8o_\x8n_\x8s | 152 | versions·of·recipes·presented·in·the·2007·blog·post·_\x8P_\x8o_\x8l_\x8y_\x8m_\x8o_\x8r_\x8p_\x8h_\x8i_\x8c_\x8·_\x8A_\x8s_\x8s_\x8o_\x8c_\x8i_\x8a_\x8t_\x8i_\x8o_\x8n_\x8s |
| 153 | _\x8w_\x8i_\x8t_\x8h_\x8·_\x8S_\x8Q_\x8L_\x8A_\x8l_\x8c_\x8h_\x8e_\x8m_\x8y. | 153 | _\x8w_\x8i_\x8t_\x8h_\x8·_\x8S_\x8Q_\x8L_\x8A_\x8l_\x8c_\x8h_\x8e_\x8m_\x8y. |
| 154 | Listing·of·files: | 154 | Listing·of·files: |
| 155 | ····*·_\x8t_\x8a_\x8b_\x8l_\x8e_\x8__\x8p_\x8e_\x8r_\x8__\x8r_\x8e_\x8l_\x8a_\x8t_\x8e_\x8d_\x8._\x8p_\x8y·-·Illustrates·a·generic·association·which·persists | 155 | ····*·_\x8t_\x8a_\x8b_\x8l_\x8e_\x8__\x8p_\x8e_\x8r_\x8__\x8r_\x8e_\x8l_\x8a_\x8t_\x8e_\x8d_\x8._\x8p_\x8y·-·Illustrates·a·generic·association·which·persists |
| 156 | ······association·objects·within·individual·tables,·each·one·generated·to | 156 | ······association·objects·within·individual·tables,·each·one·generated·to |
| 157 | ······persist·those·objects·on·behalf·of·a·particular·parent·class. | 157 | ······persist·those·objects·on·behalf·of·a·particular·parent·class. |
| 158 | _\x8t_\x8a_\x8b_\x8l_\x8e_\x8__\x8p_\x8e_\x8r_\x8__\x8a_\x8s_\x8s_\x8o_\x8c_\x8i_\x8a_\x8t_\x8i_\x8o_\x8n_\x8._\x8p_\x8y·-·Illustrates·a·mixin·which·provides·a·generic | |
| 159 | association·via·a·individually·generated·association·tables·for·each·parent | |
| 160 | class.·The·associated·objects·themselves·are·persisted·in·a·single·table·shared | |
| 161 | among·all·parents. | |
| 162 | _\x8d_\x8i_\x8s_\x8c_\x8r_\x8i_\x8m_\x8i_\x8n_\x8a_\x8t_\x8o_\x8r_\x8__\x8o_\x8n_\x8__\x8a_\x8s_\x8s_\x8o_\x8c_\x8i_\x8a_\x8t_\x8i_\x8o_\x8n_\x8._\x8p_\x8y·-·Illustrates·a·mixin·which·provides·a·generic | |
| 163 | association·using·a·single·target·table·and·a·single·association·table, | |
| 164 | referred·to·by·all·parent·tables.·The·association·table·contains·a | |
| 165 | “discriminator”·column·which·determines·what·type·of·parent·object·associates | |
| 166 | to·each·particular·row·in·the·association·table. | |
| 167 | _\x8g_\x8e_\x8n_\x8e_\x8r_\x8i_\x8c_\x8__\x8f_\x8k_\x8._\x8p_\x8y·-·Illustrates·a·so-called·“generic·foreign·key”,·in·a·similar | 158 | _\x8g_\x8e_\x8n_\x8e_\x8r_\x8i_\x8c_\x8__\x8f_\x8k_\x8._\x8p_\x8y·-·Illustrates·a·so-called·“generic·foreign·key”,·in·a·similar |
| 168 | fashion·to·that·of·popular·frameworks·such·as·Django,·ROR,·etc.·This·approach | 159 | fashion·to·that·of·popular·frameworks·such·as·Django,·ROR,·etc.·This·approach |
| 169 | bypasses·standard·referential·integrity·practices,·in·that·the·“foreign·key” | 160 | bypasses·standard·referential·integrity·practices,·in·that·the·“foreign·key” |
| 170 | column·is·not·actually·constrained·to·refer·to·any·particular·table;·instead, | 161 | column·is·not·actually·constrained·to·refer·to·any·particular·table;·instead, |
| 171 | in-application·logic·is·used·to·determine·which·table·is·referenced. | 162 | in-application·logic·is·used·to·determine·which·table·is·referenced. |
| | 163 | _\x8d_\x8i_\x8s_\x8c_\x8r_\x8i_\x8m_\x8i_\x8n_\x8a_\x8t_\x8o_\x8r_\x8__\x8o_\x8n_\x8__\x8a_\x8s_\x8s_\x8o_\x8c_\x8i_\x8a_\x8t_\x8i_\x8o_\x8n_\x8._\x8p_\x8y·-·Illustrates·a·mixin·which·provides·a·generic |
| | 164 | association·using·a·single·target·table·and·a·single·association·table, |
| | 165 | referred·to·by·all·parent·tables.·The·association·table·contains·a |
| | 166 | “discriminator”·column·which·determines·what·type·of·parent·object·associates |
| | 167 | to·each·particular·row·in·the·association·table. |
| | 168 | _\x8t_\x8a_\x8b_\x8l_\x8e_\x8__\x8p_\x8e_\x8r_\x8__\x8a_\x8s_\x8s_\x8o_\x8c_\x8i_\x8a_\x8t_\x8i_\x8o_\x8n_\x8._\x8p_\x8y·-·Illustrates·a·mixin·which·provides·a·generic |
| | 169 | association·via·a·individually·generated·association·tables·for·each·parent |
| | 170 | class.·The·associated·objects·themselves·are·persisted·in·a·single·table·shared |
| | 171 | among·all·parents. |
| 172 | *\x8**\x8**\x8**\x8*·M\x8Ma\x8at\x8te\x8er\x8ri\x8ia\x8al\x8li\x8iz\x8ze\x8ed\x8d·P\x8Pa\x8at\x8th\x8hs\x8s_\x8?\x8¶·*\x8**\x8**\x8**\x8* | 172 | *\x8**\x8**\x8**\x8*·M\x8Ma\x8at\x8te\x8er\x8ri\x8ia\x8al\x8li\x8iz\x8ze\x8ed\x8d·P\x8Pa\x8at\x8th\x8hs\x8s_\x8?\x8¶·*\x8**\x8**\x8**\x8* |
| 173 | Illustrates·the·“materialized·paths”·pattern·for·hierarchical·data·using·the | 173 | Illustrates·the·“materialized·paths”·pattern·for·hierarchical·data·using·the |
| 174 | SQLAlchemy·ORM. | 174 | SQLAlchemy·ORM. |
| 175 | Listing·of·files: | 175 | Listing·of·files: |
| 176 | ····*·_\x8m_\x8a_\x8t_\x8e_\x8r_\x8i_\x8a_\x8l_\x8i_\x8z_\x8e_\x8d_\x8__\x8p_\x8a_\x8t_\x8h_\x8s_\x8._\x8p_\x8y·-·Illustrates·the·“materialized·paths”·pattern. | 176 | ····*·_\x8m_\x8a_\x8t_\x8e_\x8r_\x8i_\x8a_\x8l_\x8i_\x8z_\x8e_\x8d_\x8__\x8p_\x8a_\x8t_\x8h_\x8s_\x8._\x8p_\x8y·-·Illustrates·the·“materialized·paths”·pattern. |
| 177 | *\x8**\x8**\x8**\x8*·N\x8Ne\x8es\x8st\x8te\x8ed\x8d·S\x8Se\x8et\x8ts\x8s_\x8?\x8¶·*\x8**\x8**\x8**\x8* | 177 | *\x8**\x8**\x8**\x8*·N\x8Ne\x8es\x8st\x8te\x8ed\x8d·S\x8Se\x8et\x8ts\x8s_\x8?\x8¶·*\x8**\x8**\x8**\x8* |
| 178 | Illustrates·a·rudimentary·way·to·implement·the·“nested·sets”·pattern·for | 178 | Illustrates·a·rudimentary·way·to·implement·the·“nested·sets”·pattern·for |
| Offset 223, 25 lines modified | Offset 223, 25 lines modified |
| 223 | See·also | 223 | See·also |
| 224 | _\x8H_\x8o_\x8w_\x8·_\x8c_\x8a_\x8n_\x8·_\x8I_\x8·_\x8p_\x8r_\x8o_\x8f_\x8i_\x8l_\x8e_\x8·_\x8a_\x8·_\x8S_\x8Q_\x8L_\x8A_\x8l_\x8c_\x8h_\x8e_\x8m_\x8y_\x8·_\x8p_\x8o_\x8w_\x8e_\x8r_\x8e_\x8d_\x8·_\x8a_\x8p_\x8p_\x8l_\x8i_\x8c_\x8a_\x8t_\x8i_\x8o_\x8n_\x8? | 224 | _\x8H_\x8o_\x8w_\x8·_\x8c_\x8a_\x8n_\x8·_\x8I_\x8·_\x8p_\x8r_\x8o_\x8f_\x8i_\x8l_\x8e_\x8·_\x8a_\x8·_\x8S_\x8Q_\x8L_\x8A_\x8l_\x8c_\x8h_\x8e_\x8m_\x8y_\x8·_\x8p_\x8o_\x8w_\x8e_\x8r_\x8e_\x8d_\x8·_\x8a_\x8p_\x8p_\x8l_\x8i_\x8c_\x8a_\x8t_\x8i_\x8o_\x8n_\x8? |
| 225 | *\x8**\x8**\x8*·F\x8Fi\x8il\x8le\x8e·L\x8Li\x8is\x8st\x8ti\x8in\x8ng\x8g_\x8?\x8¶·*\x8**\x8**\x8* | 225 | *\x8**\x8**\x8*·F\x8Fi\x8il\x8le\x8e·L\x8Li\x8is\x8st\x8ti\x8in\x8ng\x8g_\x8?\x8¶·*\x8**\x8**\x8* |
| 226 | Listing·of·files: | 226 | Listing·of·files: |
| 227 | ····*·_\x8b_\x8u_\x8l_\x8k_\x8__\x8u_\x8p_\x8d_\x8a_\x8t_\x8e_\x8s_\x8._\x8p_\x8y·-·This·series·of·tests·will·illustrate·different·ways·to | 227 | ····*·_\x8b_\x8u_\x8l_\x8k_\x8__\x8u_\x8p_\x8d_\x8a_\x8t_\x8e_\x8s_\x8._\x8p_\x8y·-·This·series·of·tests·will·illustrate·different·ways·to |
| 228 | ······UPDATE·a·large·number·of·rows·in·bulk·(under·construction!·there’s·just | 228 | ······UPDATE·a·large·number·of·rows·in·bulk·(under·construction!·there’s·just |
| 229 | ······one·test·at·the·moment) | 229 | ······one·test·at·the·moment) |
| 230 | _\x8l_\x8a_\x8r_\x8g_\x8e_\x8__\x8r_\x8e_\x8s_\x8u_\x8l_\x8t_\x8s_\x8e_\x8t_\x8s_\x8._\x8p_\x8y·-·In·this·series·of·tests,·we·are·looking·at·time·to·load·a | |
| 231 | large·number·of·very·small·and·simple·rows. | |
| 232 | _\x8s_\x8i_\x8n_\x8g_\x8l_\x8e_\x8__\x8i_\x8n_\x8s_\x8e_\x8r_\x8t_\x8s_\x8._\x8p_\x8y·-·In·this·series·of·tests,·we’re·looking·at·a·method·that | 230 | _\x8s_\x8i_\x8n_\x8g_\x8l_\x8e_\x8__\x8i_\x8n_\x8s_\x8e_\x8r_\x8t_\x8s_\x8._\x8p_\x8y·-·In·this·series·of·tests,·we’re·looking·at·a·method·that |
| 233 | inserts·a·row·within·a·distinct·transaction,·and·afterwards·returns·to | 231 | inserts·a·row·within·a·distinct·transaction,·and·afterwards·returns·to |
| 234 | essentially·a·“closed”·state.·This·would·be·analogous·to·an·API·call·that | 232 | essentially·a·“closed”·state.·This·would·be·analogous·to·an·API·call·that |
| 235 | starts·up·a·database·connection,·inserts·the·row,·commits·and·closes. | 233 | starts·up·a·database·connection,·inserts·the·row,·commits·and·closes. |
| | 234 | _\x8b_\x8u_\x8l_\x8k_\x8__\x8i_\x8n_\x8s_\x8e_\x8r_\x8t_\x8s_\x8._\x8p_\x8y·-·This·series·of·tests·illustrates·different·ways·to·INSERT·a |
| | 235 | large·number·of·rows·in·bulk. |
| | 236 | _\x8l_\x8a_\x8r_\x8g_\x8e_\x8__\x8r_\x8e_\x8s_\x8u_\x8l_\x8t_\x8s_\x8e_\x8t_\x8s_\x8._\x8p_\x8y·-·In·this·series·of·tests,·we·are·looking·at·time·to·load·a |
| | 237 | large·number·of·very·small·and·simple·rows. |
| 236 | _\x8__\x8__\x8m_\x8a_\x8i_\x8n_\x8__\x8__\x8._\x8p_\x8y·-·Allows·the·examples/performance·package·to·be·run·as·a·script. | 238 | _\x8__\x8__\x8m_\x8a_\x8i_\x8n_\x8__\x8__\x8._\x8p_\x8y·-·Allows·the·examples/performance·package·to·be·run·as·a·script. |
| 237 | _\x8s_\x8h_\x8o_\x8r_\x8t_\x8__\x8s_\x8e_\x8l_\x8e_\x8c_\x8t_\x8s_\x8._\x8p_\x8y·-·This·series·of·tests·illustrates·different·ways·to·SELECT·a | 239 | _\x8s_\x8h_\x8o_\x8r_\x8t_\x8__\x8s_\x8e_\x8l_\x8e_\x8c_\x8t_\x8s_\x8._\x8p_\x8y·-·This·series·of·tests·illustrates·different·ways·to·SELECT·a |
| 238 | single·record·by·primary·key | 240 | single·record·by·primary·key |
| 239 | _\x8b_\x8u_\x8l_\x8k_\x8__\x8i_\x8n_\x8s_\x8e_\x8r_\x8t_\x8s_\x8._\x8p_\x8y·-·This·series·of·tests·illustrates·different·ways·to·INSERT·a | |
| 240 | large·number·of·rows·in·bulk. | |
| 241 | *\x8**\x8**\x8*·R\x8Ru\x8un\x8nn\x8ni\x8in\x8ng\x8g·a\x8al\x8ll\x8l·t\x8te\x8es\x8st\x8ts\x8s·w\x8wi\x8it\x8th\x8h·t\x8ti\x8im\x8me\x8e_\x8?\x8¶·*\x8**\x8**\x8* | 241 | *\x8**\x8**\x8*·R\x8Ru\x8un\x8nn\x8ni\x8in\x8ng\x8g·a\x8al\x8ll\x8l·t\x8te\x8es\x8st\x8ts\x8s·w\x8wi\x8it\x8th\x8h·t\x8ti\x8im\x8me\x8e_\x8?\x8¶·*\x8**\x8**\x8* |
| 242 | This·is·the·default·form·of·run: | 242 | This·is·the·default·form·of·run: |
| 243 | $·python·-m·examples.performance·single_inserts | 243 | $·python·-m·examples.performance·single_inserts |
| 244 | Tests·to·run:·test_orm_commit,·test_bulk_save, | 244 | Tests·to·run:·test_orm_commit,·test_bulk_save, |
| 245 | ··············test_bulk_insert_dictionaries,·test_core, | 245 | ··············test_bulk_insert_dictionaries,·test_core, |
| 246 | ··············test_core_query_caching,·test_dbapi_raw_w_connect, | 246 | ··············test_core_query_caching,·test_dbapi_raw_w_connect, |
| 247 | ··············test_dbapi_raw_w_pool | 247 | ··············test_dbapi_raw_w_pool |
| Offset 473, 21 lines modified | Offset 473, 21 lines modified |
| 473 | Listing·of·files: | 473 | Listing·of·files: |
| 474 | ····*·_\x8v_\x8e_\x8r_\x8s_\x8i_\x8o_\x8n_\x8e_\x8d_\x8__\x8m_\x8a_\x8p_\x8._\x8p_\x8y·-·A·variant·of·the·versioned_rows·example·built·around | 474 | ····*·_\x8v_\x8e_\x8r_\x8s_\x8i_\x8o_\x8n_\x8e_\x8d_\x8__\x8m_\x8a_\x8p_\x8._\x8p_\x8y·-·A·variant·of·the·versioned_rows·example·built·around |
| 475 | ······the·concept·of·a·“vertical·table”·structure,·like·those·illustrated·in | 475 | ······the·concept·of·a·“vertical·table”·structure,·like·those·illustrated·in |
| 476 | ······_\x8V_\x8e_\x8r_\x8t_\x8i_\x8c_\x8a_\x8l_\x8·_\x8A_\x8t_\x8t_\x8r_\x8i_\x8b_\x8u_\x8t_\x8e_\x8·_\x8M_\x8a_\x8p_\x8p_\x8i_\x8n_\x8g·examples. | 476 | ······_\x8V_\x8e_\x8r_\x8t_\x8i_\x8c_\x8a_\x8l_\x8·_\x8A_\x8t_\x8t_\x8r_\x8i_\x8b_\x8u_\x8t_\x8e_\x8·_\x8M_\x8a_\x8p_\x8p_\x8i_\x8n_\x8g·examples. |
| 477 | _\x8v_\x8e_\x8r_\x8s_\x8i_\x8o_\x8n_\x8e_\x8d_\x8__\x8r_\x8o_\x8w_\x8s_\x8._\x8p_\x8y·-·Illustrates·a·method·to·intercept·changes·on·objects, | 477 | _\x8v_\x8e_\x8r_\x8s_\x8i_\x8o_\x8n_\x8e_\x8d_\x8__\x8r_\x8o_\x8w_\x8s_\x8._\x8p_\x8y·-·Illustrates·a·method·to·intercept·changes·on·objects, |
| 478 | turning·an·UPDATE·statement·on·a·single·row·into·an·INSERT·statement,·so·that·a | 478 | turning·an·UPDATE·statement·on·a·single·row·into·an·INSERT·statement,·so·that·a |
| 479 | new·row·is·inserted·with·the·new·data,·keeping·the·old·row·intact. | 479 | new·row·is·inserted·with·the·new·data,·keeping·the·old·row·intact. |
| | 480 | _\x8v_\x8e_\x8r_\x8s_\x8i_\x8o_\x8n_\x8e_\x8d_\x8__\x8r_\x8o_\x8w_\x8s_\x8__\x8w_\x8__\x8v_\x8e_\x8r_\x8s_\x8i_\x8o_\x8n_\x8i_\x8d_\x8._\x8p_\x8y·-·Illustrates·a·method·to·intercept·changes·on |
| | 481 | objects,·turning·an·UPDATE·statement·on·a·single·row·into·an·INSERT·statement, |
| | 482 | so·that·a·new·row·is·inserted·with·the·new·data,·keeping·the·old·row·intact. |
| 480 | _\x8v_\x8e_\x8r_\x8s_\x8i_\x8o_\x8n_\x8e_\x8d_\x8__\x8u_\x8p_\x8d_\x8a_\x8t_\x8e_\x8__\x8o_\x8l_\x8d_\x8__\x8r_\x8o_\x8w_\x8._\x8p_\x8y·-·Illustrates·the·same·UPDATE·into·INSERT·technique | 483 | _\x8v_\x8e_\x8r_\x8s_\x8i_\x8o_\x8n_\x8e_\x8d_\x8__\x8u_\x8p_\x8d_\x8a_\x8t_\x8e_\x8__\x8o_\x8l_\x8d_\x8__\x8r_\x8o_\x8w_\x8._\x8p_\x8y·-·Illustrates·the·same·UPDATE·into·INSERT·technique |
| 481 | of·versioned_rows.py,·but·also·emits·an·UPDATE·on·the·o\x8ol\x8ld\x8d·row·to·affect·a | 484 | of·versioned_rows.py,·but·also·emits·an·UPDATE·on·the·o\x8ol\x8ld\x8d·row·to·affect·a |
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